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Finding the Fourth Proportional to 93,158.16, 139,733.80 and 40,567.76

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Solution

The fourth proportional to 93,158.16, 139,733.80 and 40,567.76 is: 60,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,158.16 : 139,733.80 = 40,567.76 : x
  2. Step 2: Convert to fraction form
    93,158.16/139,733.80 = 40,567.76/x
  3. Step 3: Cross multiply
    93,158.16x = 139,733.80 × 40,567.76
  4. Step 4: Simplify right side
    93,158.16x = 5,668,687,262.29
  5. Step 5: Solve for x
    x = 5,668,687,262.29/93,158.16
  6. Step 6: Final answer
    x = 60,850.14

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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.