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Finding the Fourth Proportional to 93,534.39, 140,932.98 and 77,259.06

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Solution

The fourth proportional to 93,534.39, 140,932.98 and 77,259.06 is: 116,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,534.39 : 140,932.98 = 77,259.06 : x
  2. Step 2: Convert to fraction form
    93,534.39/140,932.98 = 77,259.06/x
  3. Step 3: Cross multiply
    93,534.39x = 140,932.98 × 77,259.06
  4. Step 4: Simplify right side
    93,534.39x = 10,888,349,557.80
  5. Step 5: Solve for x
    x = 10,888,349,557.80/93,534.39
  6. Step 6: Final answer
    x = 116,410.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.