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Finding the Fourth Proportional to 134,616.48, 185,771.48 and 77,251.24

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Solution

The fourth proportional to 134,616.48, 185,771.48 and 77,251.24 is: 106,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,616.48 : 185,771.48 = 77,251.24 : x
  2. Step 2: Convert to fraction form
    134,616.48/185,771.48 = 77,251.24/x
  3. Step 3: Cross multiply
    134,616.48x = 185,771.48 × 77,251.24
  4. Step 4: Simplify right side
    134,616.48x = 14,351,077,186.64
  5. Step 5: Solve for x
    x = 14,351,077,186.64/134,616.48
  6. Step 6: Final answer
    x = 106,607.13

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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.