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Finding the Fourth Proportional to 160,010.17, 220,858.02 and 99,544.75

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Solution

The fourth proportional to 160,010.17, 220,858.02 and 99,544.75 is: 137,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,010.17 : 220,858.02 = 99,544.75 : x
  2. Step 2: Convert to fraction form
    160,010.17/220,858.02 = 99,544.75/x
  3. Step 3: Cross multiply
    160,010.17x = 220,858.02 × 99,544.75
  4. Step 4: Simplify right side
    160,010.17x = 21,985,256,386.40
  5. Step 5: Solve for x
    x = 21,985,256,386.40/160,010.17
  6. Step 6: Final answer
    x = 137,399.12

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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.