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Finding the Fourth Proportional to 111,206.95, 153,465.90 and 60,220.28

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Solution

The fourth proportional to 111,206.95, 153,465.90 and 60,220.28 is: 83,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,206.95 : 153,465.90 = 60,220.28 : x
  2. Step 2: Convert to fraction form
    111,206.95/153,465.90 = 60,220.28/x
  3. Step 3: Cross multiply
    111,206.95x = 153,465.90 × 60,220.28
  4. Step 4: Simplify right side
    111,206.95x = 9,241,759,468.45
  5. Step 5: Solve for x
    x = 9,241,759,468.45/111,206.95
  6. Step 6: Final answer
    x = 83,104.15

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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.