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Finding the Fourth Proportional to 247,061.53, 370,681.13 and 97,218.82

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Solution

The fourth proportional to 247,061.53, 370,681.13 and 97,218.82 is: 145,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,061.53 : 370,681.13 = 97,218.82 : x
  2. Step 2: Convert to fraction form
    247,061.53/370,681.13 = 97,218.82/x
  3. Step 3: Cross multiply
    247,061.53x = 370,681.13 × 97,218.82
  4. Step 4: Simplify right side
    247,061.53x = 36,037,182,054.87
  5. Step 5: Solve for x
    x = 36,037,182,054.87/247,061.53
  6. Step 6: Final answer
    x = 145,863.19

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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.