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Finding the Fourth Proportional to 94,585.70, 130,612.66 and 90,104.42

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Solution

The fourth proportional to 94,585.70, 130,612.66 and 90,104.42 is: 124,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,585.70 : 130,612.66 = 90,104.42 : x
  2. Step 2: Convert to fraction form
    94,585.70/130,612.66 = 90,104.42/x
  3. Step 3: Cross multiply
    94,585.70x = 130,612.66 × 90,104.42
  4. Step 4: Simplify right side
    94,585.70x = 11,768,777,973.96
  5. Step 5: Solve for x
    x = 11,768,777,973.96/94,585.70
  6. Step 6: Final answer
    x = 124,424.50

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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.