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Finding the Fourth Proportional to 242,303.78, 363,530.07 and 124,058.15

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Solution

The fourth proportional to 242,303.78, 363,530.07 and 124,058.15 is: 186,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,303.78 : 363,530.07 = 124,058.15 : x
  2. Step 2: Convert to fraction form
    242,303.78/363,530.07 = 124,058.15/x
  3. Step 3: Cross multiply
    242,303.78x = 363,530.07 × 124,058.15
  4. Step 4: Simplify right side
    242,303.78x = 45,098,867,953.57
  5. Step 5: Solve for x
    x = 45,098,867,953.57/242,303.78
  6. Step 6: Final answer
    x = 186,125.32

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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.