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Finding the Fourth Proportional to 108,565.48, 149,810.34 and 60,820.84

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Solution

The fourth proportional to 108,565.48, 149,810.34 and 60,820.84 is: 83,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.48 : 149,810.34 = 60,820.84 : x
  2. Step 2: Convert to fraction form
    108,565.48/149,810.34 = 60,820.84/x
  3. Step 3: Cross multiply
    108,565.48x = 149,810.34 × 60,820.84
  4. Step 4: Simplify right side
    108,565.48x = 9,111,590,719.49
  5. Step 5: Solve for x
    x = 9,111,590,719.49/108,565.48
  6. Step 6: Final answer
    x = 83,927.14

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