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Finding the Fourth Proportional to 359,303.60, 538,863.47 and 106,524.98

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Solution

The fourth proportional to 359,303.60, 538,863.47 and 106,524.98 is: 159,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,303.60 : 538,863.47 = 106,524.98 : x
  2. Step 2: Convert to fraction form
    359,303.60/538,863.47 = 106,524.98/x
  3. Step 3: Cross multiply
    359,303.60x = 538,863.47 × 106,524.98
  4. Step 4: Simplify right side
    359,303.60x = 57,402,420,364.48
  5. Step 5: Solve for x
    x = 57,402,420,364.48/359,303.60
  6. Step 6: Final answer
    x = 159,760.21

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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.