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Finding the Fourth Proportional to 91,952.58, 126,897.10 and 64,737.32

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Solution

The fourth proportional to 91,952.58, 126,897.10 and 64,737.32 is: 89,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,952.58 : 126,897.10 = 64,737.32 : x
  2. Step 2: Convert to fraction form
    91,952.58/126,897.10 = 64,737.32/x
  3. Step 3: Cross multiply
    91,952.58x = 126,897.10 × 64,737.32
  4. Step 4: Simplify right side
    91,952.58x = 8,214,978,169.77
  5. Step 5: Solve for x
    x = 8,214,978,169.77/91,952.58
  6. Step 6: Final answer
    x = 89,339.29

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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.