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Finding the Fourth Proportional to 358,562.71, 537,718.71 and 105,776.08

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Solution

The fourth proportional to 358,562.71, 537,718.71 and 105,776.08 is: 158,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,562.71 : 537,718.71 = 105,776.08 : x
  2. Step 2: Convert to fraction form
    358,562.71/537,718.71 = 105,776.08/x
  3. Step 3: Cross multiply
    358,562.71x = 537,718.71 × 105,776.08
  4. Step 4: Simplify right side
    358,562.71x = 56,877,777,286.46
  5. Step 5: Solve for x
    x = 56,877,777,286.46/358,562.71
  6. Step 6: Final answer
    x = 158,627.14

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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.