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Finding the Fourth Proportional to 153,119.03, 229,678.03 and 39,266.71

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Solution

The fourth proportional to 153,119.03, 229,678.03 and 39,266.71 is: 58,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,119.03 : 229,678.03 = 39,266.71 : x
  2. Step 2: Convert to fraction form
    153,119.03/229,678.03 = 39,266.71/x
  3. Step 3: Cross multiply
    153,119.03x = 229,678.03 × 39,266.71
  4. Step 4: Simplify right side
    153,119.03x = 9,018,700,597.38
  5. Step 5: Solve for x
    x = 9,018,700,597.38/153,119.03
  6. Step 6: Final answer
    x = 58,899.93

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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.