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Finding the Fourth Proportional to 103,668.12, 155,253.01 and 59,159.93

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Solution

The fourth proportional to 103,668.12, 155,253.01 and 59,159.93 is: 88,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.12 : 155,253.01 = 59,159.93 : x
  2. Step 2: Convert to fraction form
    103,668.12/155,253.01 = 59,159.93/x
  3. Step 3: Cross multiply
    103,668.12x = 155,253.01 × 59,159.93
  4. Step 4: Simplify right side
    103,668.12x = 9,184,757,203.89
  5. Step 5: Solve for x
    x = 9,184,757,203.89/103,668.12
  6. Step 6: Final answer
    x = 88,597.70

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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.