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Finding the Fourth Proportional to 110,442.66, 152,407.43 and 65,123.45

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Solution

The fourth proportional to 110,442.66, 152,407.43 and 65,123.45 is: 89,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,442.66 : 152,407.43 = 65,123.45 : x
  2. Step 2: Convert to fraction form
    110,442.66/152,407.43 = 65,123.45/x
  3. Step 3: Cross multiply
    110,442.66x = 152,407.43 × 65,123.45
  4. Step 4: Simplify right side
    110,442.66x = 9,925,297,647.23
  5. Step 5: Solve for x
    x = 9,925,297,647.23/110,442.66
  6. Step 6: Final answer
    x = 89,868.33

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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.