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Finding the Fourth Proportional to 77,526.72, 106,988.44 and 60,550.72

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Solution

The fourth proportional to 77,526.72, 106,988.44 and 60,550.72 is: 83,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526.72 : 106,988.44 = 60,550.72 : x
  2. Step 2: Convert to fraction form
    77,526.72/106,988.44 = 60,550.72/x
  3. Step 3: Cross multiply
    77,526.72x = 106,988.44 × 60,550.72
  4. Step 4: Simplify right side
    77,526.72x = 6,478,227,073.68
  5. Step 5: Solve for x
    x = 6,478,227,073.68/77,526.72
  6. Step 6: Final answer
    x = 83,561.22

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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.