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Finding the Fourth Proportional to 247,307.88, 370,712.52 and 97,490.16

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Solution

The fourth proportional to 247,307.88, 370,712.52 and 97,490.16 is: 146,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,307.88 : 370,712.52 = 97,490.16 : x
  2. Step 2: Convert to fraction form
    247,307.88/370,712.52 = 97,490.16/x
  3. Step 3: Cross multiply
    247,307.88x = 370,712.52 × 97,490.16
  4. Step 4: Simplify right side
    247,307.88x = 36,140,822,888.80
  5. Step 5: Solve for x
    x = 36,140,822,888.80/247,307.88
  6. Step 6: Final answer
    x = 146,136.96

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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.