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Finding the Fourth Proportional to 108,866.61, 163,353.42 and 48,937.43

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Solution

The fourth proportional to 108,866.61, 163,353.42 and 48,937.43 is: 73,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866.61 : 163,353.42 = 48,937.43 : x
  2. Step 2: Convert to fraction form
    108,866.61/163,353.42 = 48,937.43/x
  3. Step 3: Cross multiply
    108,866.61x = 163,353.42 × 48,937.43
  4. Step 4: Simplify right side
    108,866.61x = 7,994,095,556.23
  5. Step 5: Solve for x
    x = 7,994,095,556.23/108,866.61
  6. Step 6: Final answer
    x = 73,430.19

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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.