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Finding the Fourth Proportional to 99,598.54, 137,444.28 and 54,276.92

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Solution

The fourth proportional to 99,598.54, 137,444.28 and 54,276.92 is: 74,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,598.54 : 137,444.28 = 54,276.92 : x
  2. Step 2: Convert to fraction form
    99,598.54/137,444.28 = 54,276.92/x
  3. Step 3: Cross multiply
    99,598.54x = 137,444.28 × 54,276.92
  4. Step 4: Simplify right side
    99,598.54x = 7,460,052,190.02
  5. Step 5: Solve for x
    x = 7,460,052,190.02/99,598.54
  6. Step 6: Final answer
    x = 74,901.22

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1.5x scale

Why These Related Problems?

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