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Finding the Fourth Proportional to 171,747.60, 257,501.40 and 101,590.80

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Solution

The fourth proportional to 171,747.60, 257,501.40 and 101,590.80 is: 152,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,747.60 : 257,501.40 = 101,590.80 : x
  2. Step 2: Convert to fraction form
    171,747.60/257,501.40 = 101,590.80/x
  3. Step 3: Cross multiply
    171,747.60x = 257,501.40 × 101,590.80
  4. Step 4: Simplify right side
    171,747.60x = 26,159,773,227.12
  5. Step 5: Solve for x
    x = 26,159,773,227.12/171,747.60
  6. Step 6: Final answer
    x = 152,315.22

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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.