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Finding the Fourth Proportional to 93,122.60, 139,688.51 and 26,572.53

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Solution

The fourth proportional to 93,122.60, 139,688.51 and 26,572.53 is: 39,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.60 : 139,688.51 = 26,572.53 : x
  2. Step 2: Convert to fraction form
    93,122.60/139,688.51 = 26,572.53/x
  3. Step 3: Cross multiply
    93,122.60x = 139,688.51 × 26,572.53
  4. Step 4: Simplify right side
    93,122.60x = 3,711,876,989.77
  5. Step 5: Solve for x
    x = 3,711,876,989.77/93,122.60
  6. Step 6: Final answer
    x = 39,860.11

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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.