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Finding the Fourth Proportional to 359,123.07, 538,848.36 and 134,500.89

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Solution

The fourth proportional to 359,123.07, 538,848.36 and 134,500.89 is: 201,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,123.07 : 538,848.36 = 134,500.89 : x
  2. Step 2: Convert to fraction form
    359,123.07/538,848.36 = 134,500.89/x
  3. Step 3: Cross multiply
    359,123.07x = 538,848.36 × 134,500.89
  4. Step 4: Simplify right side
    359,123.07x = 72,475,583,995.04
  5. Step 5: Solve for x
    x = 72,475,583,995.04/359,123.07
  6. Step 6: Final answer
    x = 201,812.67

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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.