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Finding the Fourth Proportional to 173,750.40, 239,565.60 and 119,950.20

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Solution

The fourth proportional to 173,750.40, 239,565.60 and 119,950.20 is: 165,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,750.40 : 239,565.60 = 119,950.20 : x
  2. Step 2: Convert to fraction form
    173,750.40/239,565.60 = 119,950.20/x
  3. Step 3: Cross multiply
    173,750.40x = 239,565.60 × 119,950.20
  4. Step 4: Simplify right side
    173,750.40x = 28,735,941,633.12
  5. Step 5: Solve for x
    x = 28,735,941,633.12/173,750.40
  6. Step 6: Final answer
    x = 165,386.33

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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.