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Finding the Fourth Proportional to 174,528.50, 240,877.91 and 145,410.71

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Solution

The fourth proportional to 174,528.50, 240,877.91 and 145,410.71 is: 200,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,528.50 : 240,877.91 = 145,410.71 : x
  2. Step 2: Convert to fraction form
    174,528.50/240,877.91 = 145,410.71/x
  3. Step 3: Cross multiply
    174,528.50x = 240,877.91 × 145,410.71
  4. Step 4: Simplify right side
    174,528.50x = 35,026,225,984.97
  5. Step 5: Solve for x
    x = 35,026,225,984.97/174,528.50
  6. Step 6: Final answer
    x = 200,690.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.