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Finding the Fourth Proportional to 93,127.95, 139,640.90 and 36,911.12

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Solution

The fourth proportional to 93,127.95, 139,640.90 and 36,911.12 is: 55,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,127.95 : 139,640.90 = 36,911.12 : x
  2. Step 2: Convert to fraction form
    93,127.95/139,640.90 = 36,911.12/x
  3. Step 3: Cross multiply
    93,127.95x = 139,640.90 × 36,911.12
  4. Step 4: Simplify right side
    93,127.95x = 5,154,301,134.05
  5. Step 5: Solve for x
    x = 5,154,301,134.05/93,127.95
  6. Step 6: Final answer
    x = 55,346.45

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1.5x scale

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.