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Finding the Fourth Proportional to 265,570.72, 366,482.92 and 144,712.88

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Solution

The fourth proportional to 265,570.72, 366,482.92 and 144,712.88 is: 199,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,570.72 : 366,482.92 = 144,712.88 : x
  2. Step 2: Convert to fraction form
    265,570.72/366,482.92 = 144,712.88/x
  3. Step 3: Cross multiply
    265,570.72x = 366,482.92 × 144,712.88
  4. Step 4: Simplify right side
    265,570.72x = 53,034,798,824.01
  5. Step 5: Solve for x
    x = 53,034,798,824.01/265,570.72
  6. Step 6: Final answer
    x = 199,701.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.