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Finding the Fourth Proportional to 160,360.70, 221,292.32 and 88,743.74

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Solution

The fourth proportional to 160,360.70, 221,292.32 and 88,743.74 is: 122,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,360.70 : 221,292.32 = 88,743.74 : x
  2. Step 2: Convert to fraction form
    160,360.70/221,292.32 = 88,743.74/x
  3. Step 3: Cross multiply
    160,360.70x = 221,292.32 × 88,743.74
  4. Step 4: Simplify right side
    160,360.70x = 19,638,308,885.17
  5. Step 5: Solve for x
    x = 19,638,308,885.17/160,360.70
  6. Step 6: Final answer
    x = 122,463.35

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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.