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Finding the Fourth Proportional to 242,255.80, 363,160.14 and 130,014.64

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Solution

The fourth proportional to 242,255.80, 363,160.14 and 130,014.64 is: 194,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,255.80 : 363,160.14 = 130,014.64 : x
  2. Step 2: Convert to fraction form
    242,255.80/363,160.14 = 130,014.64/x
  3. Step 3: Cross multiply
    242,255.80x = 363,160.14 × 130,014.64
  4. Step 4: Simplify right side
    242,255.80x = 47,216,134,864.45
  5. Step 5: Solve for x
    x = 47,216,134,864.45/242,255.80
  6. Step 6: Final answer
    x = 194,901.98

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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.