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Finding the Fourth Proportional to 108,683.61, 163,072.34 and 58,798.85

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Solution

The fourth proportional to 108,683.61, 163,072.34 and 58,798.85 is: 88,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,683.61 : 163,072.34 = 58,798.85 : x
  2. Step 2: Convert to fraction form
    108,683.61/163,072.34 = 58,798.85/x
  3. Step 3: Cross multiply
    108,683.61x = 163,072.34 × 58,798.85
  4. Step 4: Simplify right side
    108,683.61x = 9,588,464,949.45
  5. Step 5: Solve for x
    x = 9,588,464,949.45/108,683.61
  6. Step 6: Final answer
    x = 88,223.65

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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.