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Finding the Fourth Proportional to 158,898.34, 238,347.29 and 40,569.70

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Solution

The fourth proportional to 158,898.34, 238,347.29 and 40,569.70 is: 60,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,898.34 : 238,347.29 = 40,569.70 : x
  2. Step 2: Convert to fraction form
    158,898.34/238,347.29 = 40,569.70/x
  3. Step 3: Cross multiply
    158,898.34x = 238,347.29 × 40,569.70
  4. Step 4: Simplify right side
    158,898.34x = 9,669,678,051.11
  5. Step 5: Solve for x
    x = 9,669,678,051.11/158,898.34
  6. Step 6: Final answer
    x = 60,854.49

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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.