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Finding the Fourth Proportional to 94,341.70, 130,189.42 and 54,079.20

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Solution

The fourth proportional to 94,341.70, 130,189.42 and 54,079.20 is: 74,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,341.70 : 130,189.42 = 54,079.20 : x
  2. Step 2: Convert to fraction form
    94,341.70/130,189.42 = 54,079.20/x
  3. Step 3: Cross multiply
    94,341.70x = 130,189.42 × 54,079.20
  4. Step 4: Simplify right side
    94,341.70x = 7,040,539,682.06
  5. Step 5: Solve for x
    x = 7,040,539,682.06/94,341.70
  6. Step 6: Final answer
    x = 74,628.08

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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.