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Finding the Fourth Proportional to 131,797.59, 181,881.53 and 71,368.23

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Solution

The fourth proportional to 131,797.59, 181,881.53 and 71,368.23 is: 98,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,797.59 : 181,881.53 = 71,368.23 : x
  2. Step 2: Convert to fraction form
    131,797.59/181,881.53 = 71,368.23/x
  3. Step 3: Cross multiply
    131,797.59x = 181,881.53 × 71,368.23
  4. Step 4: Simplify right side
    131,797.59x = 12,980,562,865.79
  5. Step 5: Solve for x
    x = 12,980,562,865.79/131,797.59
  6. Step 6: Final answer
    x = 98,488.62

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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.