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Finding the Fourth Proportional to 99,133.58, 148,700.58 and 69,683.20

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Solution

The fourth proportional to 99,133.58, 148,700.58 and 69,683.20 is: 104,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,133.58 : 148,700.58 = 69,683.20 : x
  2. Step 2: Convert to fraction form
    99,133.58/148,700.58 = 69,683.20/x
  3. Step 3: Cross multiply
    99,133.58x = 148,700.58 × 69,683.20
  4. Step 4: Simplify right side
    99,133.58x = 10,361,932,256.26
  5. Step 5: Solve for x
    x = 10,361,932,256.26/99,133.58
  6. Step 6: Final answer
    x = 104,524.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.