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Finding the Fourth Proportional to 359,430.23, 539,053.04 and 106,650.93

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Solution

The fourth proportional to 359,430.23, 539,053.04 and 106,650.93 is: 159,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,430.23 : 539,053.04 = 106,650.93 : x
  2. Step 2: Convert to fraction form
    359,430.23/539,053.04 = 106,650.93/x
  3. Step 3: Cross multiply
    359,430.23x = 539,053.04 × 106,650.93
  4. Step 4: Simplify right side
    359,430.23x = 57,490,507,502.07
  5. Step 5: Solve for x
    x = 57,490,507,502.07/359,430.23
  6. Step 6: Final answer
    x = 159,949.01

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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.