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Finding the Fourth Proportional to 265,088,080.80, 397,395,730.80 and 103,492,432.80

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Solution

The fourth proportional to 265,088,080.80, 397,395,730.80 and 103,492,432.80 is: 155,146,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,088,080.80 : 397,395,730.80 = 103,492,432.80 : x
  2. Step 2: Convert to fraction form
    265,088,080.80/397,395,730.80 = 103,492,432.80/x
  3. Step 3: Cross multiply
    265,088,080.80x = 397,395,730.80 × 103,492,432.80
  4. Step 4: Simplify right side
    265,088,080.80x = 41,127,450,964,825,888
  5. Step 5: Solve for x
    x = 41,127,450,964,825,888/265,088,080.80
  6. Step 6: Final answer
    x = 155,146,360.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.