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Finding the Fourth Proportional to 149,888.79, 206,748.59 and 96,088.59

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Solution

The fourth proportional to 149,888.79, 206,748.59 and 96,088.59 is: 132,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,888.79 : 206,748.59 = 96,088.59 : x
  2. Step 2: Convert to fraction form
    149,888.79/206,748.59 = 96,088.59/x
  3. Step 3: Cross multiply
    149,888.79x = 206,748.59 × 96,088.59
  4. Step 4: Simplify right side
    149,888.79x = 19,866,180,017.15
  5. Step 5: Solve for x
    x = 19,866,180,017.15/149,888.79
  6. Step 6: Final answer
    x = 132,539.46

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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.