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Finding the Fourth Proportional to 111,331.40, 153,637.40 and 60,344.60

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Solution

The fourth proportional to 111,331.40, 153,637.40 and 60,344.60 is: 83,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.40 : 153,637.40 = 60,344.60 : x
  2. Step 2: Convert to fraction form
    111,331.40/153,637.40 = 60,344.60/x
  3. Step 3: Cross multiply
    111,331.40x = 153,637.40 × 60,344.60
  4. Step 4: Simplify right side
    111,331.40x = 9,271,187,448.04
  5. Step 5: Solve for x
    x = 9,271,187,448.04/111,331.40
  6. Step 6: Final answer
    x = 83,275.58

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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.