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Finding the Fourth Proportional to 153,048.60, 229,572.90 and 83,064.60

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Solution

The fourth proportional to 153,048.60, 229,572.90 and 83,064.60 is: 124,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,048.60 : 229,572.90 = 83,064.60 : x
  2. Step 2: Convert to fraction form
    153,048.60/229,572.90 = 83,064.60/x
  3. Step 3: Cross multiply
    153,048.60x = 229,572.90 × 83,064.60
  4. Step 4: Simplify right side
    153,048.60x = 19,069,381,109.34
  5. Step 5: Solve for x
    x = 19,069,381,109.34/153,048.60
  6. Step 6: Final answer
    x = 124,596.90

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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.