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Finding the Fourth Proportional to 110,969.84, 153,148.92 and 60,676.40

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Solution

The fourth proportional to 110,969.84, 153,148.92 and 60,676.40 is: 83,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,969.84 : 153,148.92 = 60,676.40 : x
  2. Step 2: Convert to fraction form
    110,969.84/153,148.92 = 60,676.40/x
  3. Step 3: Cross multiply
    110,969.84x = 153,148.92 × 60,676.40
  4. Step 4: Simplify right side
    110,969.84x = 9,292,525,129.49
  5. Step 5: Solve for x
    x = 9,292,525,129.49/110,969.84
  6. Step 6: Final answer
    x = 83,739.20

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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.