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Finding the Fourth Proportional to 317,307.16, 475,913.76 and 92,607.29

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Solution

The fourth proportional to 317,307.16, 475,913.76 and 92,607.29 is: 138,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,307.16 : 475,913.76 = 92,607.29 : x
  2. Step 2: Convert to fraction form
    317,307.16/475,913.76 = 92,607.29/x
  3. Step 3: Cross multiply
    317,307.16x = 475,913.76 × 92,607.29
  4. Step 4: Simplify right side
    317,307.16x = 44,073,083,587.31
  5. Step 5: Solve for x
    x = 44,073,083,587.31/317,307.16
  6. Step 6: Final answer
    x = 138,897.22

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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.