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Finding the Fourth Proportional to 102,363, 153,440.61 and 39,166.89

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Solution

The fourth proportional to 102,363, 153,440.61 and 39,166.89 is: 58,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363 : 153,440.61 = 39,166.89 : x
  2. Step 2: Convert to fraction form
    102,363/153,440.61 = 39,166.89/x
  3. Step 3: Cross multiply
    102,363x = 153,440.61 × 39,166.89
  4. Step 4: Simplify right side
    102,363x = 6,009,791,493.40
  5. Step 5: Solve for x
    x = 6,009,791,493.40/102,363
  6. Step 6: Final answer
    x = 58,710.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.