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Finding the Fourth Proportional to 108,655.65, 163,018.98 and 52,502.22

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Solution

The fourth proportional to 108,655.65, 163,018.98 and 52,502.22 is: 78,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.65 : 163,018.98 = 52,502.22 : x
  2. Step 2: Convert to fraction form
    108,655.65/163,018.98 = 52,502.22/x
  3. Step 3: Cross multiply
    108,655.65x = 163,018.98 × 52,502.22
  4. Step 4: Simplify right side
    108,655.65x = 8,558,858,352.14
  5. Step 5: Solve for x
    x = 8,558,858,352.14/108,655.65
  6. Step 6: Final answer
    x = 78,770.49

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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.