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Finding the Fourth Proportional to 108,417.32, 162,589.48 and 36,355.64

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Solution

The fourth proportional to 108,417.32, 162,589.48 and 36,355.64 is: 54,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,417.32 : 162,589.48 = 36,355.64 : x
  2. Step 2: Convert to fraction form
    108,417.32/162,589.48 = 36,355.64/x
  3. Step 3: Cross multiply
    108,417.32x = 162,589.48 × 36,355.64
  4. Step 4: Simplify right side
    108,417.32x = 5,911,044,602.67
  5. Step 5: Solve for x
    x = 5,911,044,602.67/108,417.32
  6. Step 6: Final answer
    x = 54,521.22

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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.