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Finding the Fourth Proportional to 111,547.95, 153,936.37 and 60,560.75

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Solution

The fourth proportional to 111,547.95, 153,936.37 and 60,560.75 is: 83,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547.95 : 153,936.37 = 60,560.75 : x
  2. Step 2: Convert to fraction form
    111,547.95/153,936.37 = 60,560.75/x
  3. Step 3: Cross multiply
    111,547.95x = 153,936.37 × 60,560.75
  4. Step 4: Simplify right side
    111,547.95x = 9,322,502,019.48
  5. Step 5: Solve for x
    x = 9,322,502,019.48/111,547.95
  6. Step 6: Final answer
    x = 83,573.94

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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.