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Finding the Fourth Proportional to 162,551.36, 224,319.84 and 90,931.04

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Solution

The fourth proportional to 162,551.36, 224,319.84 and 90,931.04 is: 125,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,551.36 : 224,319.84 = 90,931.04 : x
  2. Step 2: Convert to fraction form
    162,551.36/224,319.84 = 90,931.04/x
  3. Step 3: Cross multiply
    162,551.36x = 224,319.84 × 90,931.04
  4. Step 4: Simplify right side
    162,551.36x = 20,397,636,343.83
  5. Step 5: Solve for x
    x = 20,397,636,343.83/162,551.36
  6. Step 6: Final answer
    x = 125,484.26

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