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Finding the Fourth Proportional to 108,051.76, 149,098.89 and 60,303.48

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Solution

The fourth proportional to 108,051.76, 149,098.89 and 60,303.48 is: 83,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.76 : 149,098.89 = 60,303.48 : x
  2. Step 2: Convert to fraction form
    108,051.76/149,098.89 = 60,303.48/x
  3. Step 3: Cross multiply
    108,051.76x = 149,098.89 × 60,303.48
  4. Step 4: Simplify right side
    108,051.76x = 8,991,181,931.14
  5. Step 5: Solve for x
    x = 8,991,181,931.14/108,051.76
  6. Step 6: Final answer
    x = 83,211.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.