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Finding the Fourth Proportional to 265,088,082.80, 397,395,733.80 and 103,492,434.80

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Solution

The fourth proportional to 265,088,082.80, 397,395,733.80 and 103,492,434.80 is: 155,146,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,088,082.80 : 397,395,733.80 = 103,492,434.80 : x
  2. Step 2: Convert to fraction form
    265,088,082.80/397,395,733.80 = 103,492,434.80/x
  3. Step 3: Cross multiply
    265,088,082.80x = 397,395,733.80 × 103,492,434.80
  4. Step 4: Simplify right side
    265,088,082.80x = 41,127,452,070,094,656
  5. Step 5: Solve for x
    x = 41,127,452,070,094,656/265,088,082.80
  6. Step 6: Final answer
    x = 155,146,363.56

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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.