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Finding the Fourth Proportional to 359,853.19, 539,188.98 and 123,066.70

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Solution

The fourth proportional to 359,853.19, 539,188.98 and 123,066.70 is: 184,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,853.19 : 539,188.98 = 123,066.70 : x
  2. Step 2: Convert to fraction form
    359,853.19/539,188.98 = 123,066.70/x
  3. Step 3: Cross multiply
    359,853.19x = 539,188.98 × 123,066.70
  4. Step 4: Simplify right side
    359,853.19x = 66,356,208,444.97
  5. Step 5: Solve for x
    x = 66,356,208,444.97/359,853.19
  6. Step 6: Final answer
    x = 184,398.00

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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.