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Finding the Fourth Proportional to 118,532.46, 163,569.03 and 67,557.18

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Solution

The fourth proportional to 118,532.46, 163,569.03 and 67,557.18 is: 93,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,532.46 : 163,569.03 = 67,557.18 : x
  2. Step 2: Convert to fraction form
    118,532.46/163,569.03 = 67,557.18/x
  3. Step 3: Cross multiply
    118,532.46x = 163,569.03 × 67,557.18
  4. Step 4: Simplify right side
    118,532.46x = 11,050,262,402.14
  5. Step 5: Solve for x
    x = 11,050,262,402.14/118,532.46
  6. Step 6: Final answer
    x = 93,225.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.