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Finding the Fourth Proportional to 174,489.60, 261,734.40 and 49,814.40

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Solution

The fourth proportional to 174,489.60, 261,734.40 and 49,814.40 is: 74,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,489.60 : 261,734.40 = 49,814.40 : x
  2. Step 2: Convert to fraction form
    174,489.60/261,734.40 = 49,814.40/x
  3. Step 3: Cross multiply
    174,489.60x = 261,734.40 × 49,814.40
  4. Step 4: Simplify right side
    174,489.60x = 13,038,142,095.36
  5. Step 5: Solve for x
    x = 13,038,142,095.36/174,489.60
  6. Step 6: Final answer
    x = 74,721.60

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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.