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Finding the Fourth Proportional to 103,762.57, 155,394.34 and 59,254.42

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Solution

The fourth proportional to 103,762.57, 155,394.34 and 59,254.42 is: 88,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,762.57 : 155,394.34 = 59,254.42 : x
  2. Step 2: Convert to fraction form
    103,762.57/155,394.34 = 59,254.42/x
  3. Step 3: Cross multiply
    103,762.57x = 155,394.34 × 59,254.42
  4. Step 4: Simplify right side
    103,762.57x = 9,207,801,487.98
  5. Step 5: Solve for x
    x = 9,207,801,487.98/103,762.57
  6. Step 6: Final answer
    x = 88,739.14

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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.