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Finding the Fourth Proportional to 173,211.75, 239,032.94 and 93,723.75

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Solution

The fourth proportional to 173,211.75, 239,032.94 and 93,723.75 is: 129,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.75 : 239,032.94 = 93,723.75 : x
  2. Step 2: Convert to fraction form
    173,211.75/239,032.94 = 93,723.75/x
  3. Step 3: Cross multiply
    173,211.75x = 239,032.94 × 93,723.75
  4. Step 4: Simplify right side
    173,211.75x = 22,403,063,041.71
  5. Step 5: Solve for x
    x = 22,403,063,041.71/173,211.75
  6. Step 6: Final answer
    x = 129,339.16

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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.