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Finding the Fourth Proportional to 96,525.40, 144,672.90 and 40,365.40

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Solution

The fourth proportional to 96,525.40, 144,672.90 and 40,365.40 is: 60,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,525.40 : 144,672.90 = 40,365.40 : x
  2. Step 2: Convert to fraction form
    96,525.40/144,672.90 = 40,365.40/x
  3. Step 3: Cross multiply
    96,525.40x = 144,672.90 × 40,365.40
  4. Step 4: Simplify right side
    96,525.40x = 5,839,779,477.66
  5. Step 5: Solve for x
    x = 5,839,779,477.66/96,525.40
  6. Step 6: Final answer
    x = 60,499.93

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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.