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Finding the Fourth Proportional to 94,230.72, 130,042.80 and 53,948.88

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Solution

The fourth proportional to 94,230.72, 130,042.80 and 53,948.88 is: 74,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,230.72 : 130,042.80 = 53,948.88 : x
  2. Step 2: Convert to fraction form
    94,230.72/130,042.80 = 53,948.88/x
  3. Step 3: Cross multiply
    94,230.72x = 130,042.80 × 53,948.88
  4. Step 4: Simplify right side
    94,230.72x = 7,015,663,412.06
  5. Step 5: Solve for x
    x = 7,015,663,412.06/94,230.72
  6. Step 6: Final answer
    x = 74,451.98

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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.