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Finding the Fourth Proportional to 184,752.80, 254,958 and 99,869.12

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Solution

The fourth proportional to 184,752.80, 254,958 and 99,869.12 is: 137,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,752.80 : 254,958 = 99,869.12 : x
  2. Step 2: Convert to fraction form
    184,752.80/254,958 = 99,869.12/x
  3. Step 3: Cross multiply
    184,752.80x = 254,958 × 99,869.12
  4. Step 4: Simplify right side
    184,752.80x = 25,462,431,096.96
  5. Step 5: Solve for x
    x = 25,462,431,096.96/184,752.80
  6. Step 6: Final answer
    x = 137,818.92

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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.