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Finding the Fourth Proportional to 160,123.83, 220,970.93 and 88,503.86

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Solution

The fourth proportional to 160,123.83, 220,970.93 and 88,503.86 is: 122,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,123.83 : 220,970.93 = 88,503.86 : x
  2. Step 2: Convert to fraction form
    160,123.83/220,970.93 = 88,503.86/x
  3. Step 3: Cross multiply
    160,123.83x = 220,970.93 × 88,503.86
  4. Step 4: Simplify right side
    160,123.83x = 19,556,778,705.42
  5. Step 5: Solve for x
    x = 19,556,778,705.42/160,123.83
  6. Step 6: Final answer
    x = 122,135.34

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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.