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Finding the Fourth Proportional to 169,633.80, 254,547.90 and 64,528.20

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Solution

The fourth proportional to 169,633.80, 254,547.90 and 64,528.20 is: 96,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,633.80 : 254,547.90 = 64,528.20 : x
  2. Step 2: Convert to fraction form
    169,633.80/254,547.90 = 64,528.20/x
  3. Step 3: Cross multiply
    169,633.80x = 254,547.90 × 64,528.20
  4. Step 4: Simplify right side
    169,633.80x = 16,425,517,800.78
  5. Step 5: Solve for x
    x = 16,425,517,800.78/169,633.80
  6. Step 6: Final answer
    x = 96,829.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.