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Finding the Fourth Proportional to 110,123.47, 151,957.49 and 64,791.48

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Solution

The fourth proportional to 110,123.47, 151,957.49 and 64,791.48 is: 89,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,123.47 : 151,957.49 = 64,791.48 : x
  2. Step 2: Convert to fraction form
    110,123.47/151,957.49 = 64,791.48/x
  3. Step 3: Cross multiply
    110,123.47x = 151,957.49 × 64,791.48
  4. Step 4: Simplify right side
    110,123.47x = 9,845,550,674.19
  5. Step 5: Solve for x
    x = 9,845,550,674.19/110,123.47
  6. Step 6: Final answer
    x = 89,404.65

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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.