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Finding the Fourth Proportional to 160,707.98, 221,762.08 and 89,081.90

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Solution

The fourth proportional to 160,707.98, 221,762.08 and 89,081.90 is: 122,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,707.98 : 221,762.08 = 89,081.90 : x
  2. Step 2: Convert to fraction form
    160,707.98/221,762.08 = 89,081.90/x
  3. Step 3: Cross multiply
    160,707.98x = 221,762.08 × 89,081.90
  4. Step 4: Simplify right side
    160,707.98x = 19,754,987,434.35
  5. Step 5: Solve for x
    x = 19,754,987,434.35/160,707.98
  6. Step 6: Final answer
    x = 122,924.74

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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.