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Finding the Fourth Proportional to 173,652.80, 260,565.60 and 98,830.40

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Solution

The fourth proportional to 173,652.80, 260,565.60 and 98,830.40 is: 148,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,652.80 : 260,565.60 = 98,830.40 : x
  2. Step 2: Convert to fraction form
    173,652.80/260,565.60 = 98,830.40/x
  3. Step 3: Cross multiply
    173,652.80x = 260,565.60 × 98,830.40
  4. Step 4: Simplify right side
    173,652.80x = 25,751,802,474.24
  5. Step 5: Solve for x
    x = 25,751,802,474.24/173,652.80
  6. Step 6: Final answer
    x = 148,294.77

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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.