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Finding the Fourth Proportional to 174,543.48, 240,814.65 and 106,526.43

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Solution

The fourth proportional to 174,543.48, 240,814.65 and 106,526.43 is: 146,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,543.48 : 240,814.65 = 106,526.43 : x
  2. Step 2: Convert to fraction form
    174,543.48/240,814.65 = 106,526.43/x
  3. Step 3: Cross multiply
    174,543.48x = 240,814.65 × 106,526.43
  4. Step 4: Simplify right side
    174,543.48x = 25,653,124,956.20
  5. Step 5: Solve for x
    x = 25,653,124,956.20/174,543.48
  6. Step 6: Final answer
    x = 146,972.69

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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.