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Finding the Fourth Proportional to 108,547.20, 162,820.80 and 64,151.10

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Solution

The fourth proportional to 108,547.20, 162,820.80 and 64,151.10 is: 96,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.20 : 162,820.80 = 64,151.10 : x
  2. Step 2: Convert to fraction form
    108,547.20/162,820.80 = 64,151.10/x
  3. Step 3: Cross multiply
    108,547.20x = 162,820.80 × 64,151.10
  4. Step 4: Simplify right side
    108,547.20x = 10,445,133,422.88
  5. Step 5: Solve for x
    x = 10,445,133,422.88/108,547.20
  6. Step 6: Final answer
    x = 96,226.65

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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.