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Finding the Fourth Proportional to 160,053.69, 220,878.55 and 88,438.35

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Solution

The fourth proportional to 160,053.69, 220,878.55 and 88,438.35 is: 122,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,053.69 : 220,878.55 = 88,438.35 : x
  2. Step 2: Convert to fraction form
    160,053.69/220,878.55 = 88,438.35/x
  3. Step 3: Cross multiply
    160,053.69x = 220,878.55 × 88,438.35
  4. Step 4: Simplify right side
    160,053.69x = 19,534,133,711.33
  5. Step 5: Solve for x
    x = 19,534,133,711.33/160,053.69
  6. Step 6: Final answer
    x = 122,047.38

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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.