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Finding the Fourth Proportional to 174,010.40, 260,432.40 and 121,522.40

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Solution

The fourth proportional to 174,010.40, 260,432.40 and 121,522.40 is: 181,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,010.40 : 260,432.40 = 121,522.40 : x
  2. Step 2: Convert to fraction form
    174,010.40/260,432.40 = 121,522.40/x
  3. Step 3: Cross multiply
    174,010.40x = 260,432.40 × 121,522.40
  4. Step 4: Simplify right side
    174,010.40x = 31,648,370,285.76
  5. Step 5: Solve for x
    x = 31,648,370,285.76/174,010.40
  6. Step 6: Final answer
    x = 181,876.31

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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.