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Finding the Fourth Proportional to 110,123.63, 151,957.71 and 64,791.64

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Solution

The fourth proportional to 110,123.63, 151,957.71 and 64,791.64 is: 89,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,123.63 : 151,957.71 = 64,791.64 : x
  2. Step 2: Convert to fraction form
    110,123.63/151,957.71 = 64,791.64/x
  3. Step 3: Cross multiply
    110,123.63x = 151,957.71 × 64,791.64
  4. Step 4: Simplify right side
    110,123.63x = 9,845,588,861.65
  5. Step 5: Solve for x
    x = 9,845,588,861.65/110,123.63
  6. Step 6: Final answer
    x = 89,404.87

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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.