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Finding the Fourth Proportional to 242,318.80, 363,332.40 and 124,220.80

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Solution

The fourth proportional to 242,318.80, 363,332.40 and 124,220.80 is: 186,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,318.80 : 363,332.40 = 124,220.80 : x
  2. Step 2: Convert to fraction form
    242,318.80/363,332.40 = 124,220.80/x
  3. Step 3: Cross multiply
    242,318.80x = 363,332.40 × 124,220.80
  4. Step 4: Simplify right side
    242,318.80x = 45,133,441,393.92
  5. Step 5: Solve for x
    x = 45,133,441,393.92/242,318.80
  6. Step 6: Final answer
    x = 186,256.46

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1.5x scale

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.