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Finding the Fourth Proportional to 174,019.62, 260,763.72 and 129,430.74

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Solution

The fourth proportional to 174,019.62, 260,763.72 and 129,430.74 is: 193,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,019.62 : 260,763.72 = 129,430.74 : x
  2. Step 2: Convert to fraction form
    174,019.62/260,763.72 = 129,430.74/x
  3. Step 3: Cross multiply
    174,019.62x = 260,763.72 × 129,430.74
  4. Step 4: Simplify right side
    174,019.62x = 33,750,841,244.75
  5. Step 5: Solve for x
    x = 33,750,841,244.75/174,019.62
  6. Step 6: Final answer
    x = 193,948.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.