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Finding the Fourth Proportional to 110,960.64, 153,123.48 and 63,212.76

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Solution

The fourth proportional to 110,960.64, 153,123.48 and 63,212.76 is: 87,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,960.64 : 153,123.48 = 63,212.76 : x
  2. Step 2: Convert to fraction form
    110,960.64/153,123.48 = 63,212.76/x
  3. Step 3: Cross multiply
    110,960.64x = 153,123.48 × 63,212.76
  4. Step 4: Simplify right side
    110,960.64x = 9,679,357,791.60
  5. Step 5: Solve for x
    x = 9,679,357,791.60/110,960.64
  6. Step 6: Final answer
    x = 87,232.35

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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.