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Finding the Fourth Proportional to 96,541.80, 144,812.70 and 89,543.40

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Solution

The fourth proportional to 96,541.80, 144,812.70 and 89,543.40 is: 134,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,541.80 : 144,812.70 = 89,543.40 : x
  2. Step 2: Convert to fraction form
    96,541.80/144,812.70 = 89,543.40/x
  3. Step 3: Cross multiply
    96,541.80x = 144,812.70 × 89,543.40
  4. Step 4: Simplify right side
    96,541.80x = 12,967,021,521.18
  5. Step 5: Solve for x
    x = 12,967,021,521.18/96,541.80
  6. Step 6: Final answer
    x = 134,315.10

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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.