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Finding the Fourth Proportional to 94,341.68, 130,188.36 and 51,899.84

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Solution

The fourth proportional to 94,341.68, 130,188.36 and 51,899.84 is: 71,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,341.68 : 130,188.36 = 51,899.84 : x
  2. Step 2: Convert to fraction form
    94,341.68/130,188.36 = 51,899.84/x
  3. Step 3: Cross multiply
    94,341.68x = 130,188.36 × 51,899.84
  4. Step 4: Simplify right side
    94,341.68x = 6,756,755,053.86
  5. Step 5: Solve for x
    x = 6,756,755,053.86/94,341.68
  6. Step 6: Final answer
    x = 71,620.04

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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.