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Finding the Fourth Proportional to 173,507.60, 260,261.40 and 148,138.40

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Solution

The fourth proportional to 173,507.60, 260,261.40 and 148,138.40 is: 222,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,507.60 : 260,261.40 = 148,138.40 : x
  2. Step 2: Convert to fraction form
    173,507.60/260,261.40 = 148,138.40/x
  3. Step 3: Cross multiply
    173,507.60x = 260,261.40 × 148,138.40
  4. Step 4: Simplify right side
    173,507.60x = 38,554,707,377.76
  5. Step 5: Solve for x
    x = 38,554,707,377.76/173,507.60
  6. Step 6: Final answer
    x = 222,207.60

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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.