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Finding the Fourth Proportional to 242,028.60, 333,999.42 and 136,044.60

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Solution

The fourth proportional to 242,028.60, 333,999.42 and 136,044.60 is: 187,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,028.60 : 333,999.42 = 136,044.60 : x
  2. Step 2: Convert to fraction form
    242,028.60/333,999.42 = 136,044.60/x
  3. Step 3: Cross multiply
    242,028.60x = 333,999.42 × 136,044.60
  4. Step 4: Simplify right side
    242,028.60x = 45,438,817,494.13
  5. Step 5: Solve for x
    x = 45,438,817,494.13/242,028.60
  6. Step 6: Final answer
    x = 187,741.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.