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Finding the Fourth Proportional to 359,242.41, 538,707.15 and 103,018.35

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Solution

The fourth proportional to 359,242.41, 538,707.15 and 103,018.35 is: 154,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,242.41 : 538,707.15 = 103,018.35 : x
  2. Step 2: Convert to fraction form
    359,242.41/538,707.15 = 103,018.35/x
  3. Step 3: Cross multiply
    359,242.41x = 538,707.15 × 103,018.35
  4. Step 4: Simplify right side
    359,242.41x = 55,496,721,726.20
  5. Step 5: Solve for x
    x = 55,496,721,726.20/359,242.41
  6. Step 6: Final answer
    x = 154,482.66

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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.