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Finding the Fourth Proportional to 70,444.92, 97,211.32 and 42,148.92

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Solution

The fourth proportional to 70,444.92, 97,211.32 and 42,148.92 is: 58,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.92 : 97,211.32 = 42,148.92 : x
  2. Step 2: Convert to fraction form
    70,444.92/97,211.32 = 42,148.92/x
  3. Step 3: Cross multiply
    70,444.92x = 97,211.32 × 42,148.92
  4. Step 4: Simplify right side
    70,444.92x = 4,097,352,149.77
  5. Step 5: Solve for x
    x = 4,097,352,149.77/70,444.92
  6. Step 6: Final answer
    x = 58,163.91

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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.