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Finding the Fourth Proportional to 91,303.92, 126,160.32 and 70,264.92

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Solution

The fourth proportional to 91,303.92, 126,160.32 and 70,264.92 is: 97,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.92 : 126,160.32 = 70,264.92 : x
  2. Step 2: Convert to fraction form
    91,303.92/126,160.32 = 70,264.92/x
  3. Step 3: Cross multiply
    91,303.92x = 126,160.32 × 70,264.92
  4. Step 4: Simplify right side
    91,303.92x = 8,864,644,791.97
  5. Step 5: Solve for x
    x = 8,864,644,791.97/91,303.92
  6. Step 6: Final answer
    x = 97,089.42

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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.