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Finding the Fourth Proportional to 359,597.99, 539,256.65 and 134,835.81

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Solution

The fourth proportional to 359,597.99, 539,256.65 and 134,835.81 is: 202,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,597.99 : 539,256.65 = 134,835.81 : x
  2. Step 2: Convert to fraction form
    359,597.99/539,256.65 = 134,835.81/x
  3. Step 3: Cross multiply
    359,597.99x = 539,256.65 × 134,835.81
  4. Step 4: Simplify right side
    359,597.99x = 72,711,106,526.46
  5. Step 5: Solve for x
    x = 72,711,106,526.46/359,597.99
  6. Step 6: Final answer
    x = 202,201.10

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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.