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Finding the Fourth Proportional to 108,616.30, 162,730.05 and 93,064.30

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Solution

The fourth proportional to 108,616.30, 162,730.05 and 93,064.30 is: 139,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.30 : 162,730.05 = 93,064.30 : x
  2. Step 2: Convert to fraction form
    108,616.30/162,730.05 = 93,064.30/x
  3. Step 3: Cross multiply
    108,616.30x = 162,730.05 × 93,064.30
  4. Step 4: Simplify right side
    108,616.30x = 15,144,358,192.22
  5. Step 5: Solve for x
    x = 15,144,358,192.22/108,616.30
  6. Step 6: Final answer
    x = 139,429.88

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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.