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Finding the Fourth Proportional to 359,335.07, 539,094.96 and 134,698.58

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Solution

The fourth proportional to 359,335.07, 539,094.96 and 134,698.58 is: 202,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,335.07 : 539,094.96 = 134,698.58 : x
  2. Step 2: Convert to fraction form
    359,335.07/539,094.96 = 134,698.58/x
  3. Step 3: Cross multiply
    359,335.07x = 539,094.96 × 134,698.58
  4. Step 4: Simplify right side
    359,335.07x = 72,615,325,597.16
  5. Step 5: Solve for x
    x = 72,615,325,597.16/359,335.07
  6. Step 6: Final answer
    x = 202,082.49

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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.