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Finding the Fourth Proportional to 144,113.10, 216,040.05 and 94,217.10

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Solution

The fourth proportional to 144,113.10, 216,040.05 and 94,217.10 is: 141,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,113.10 : 216,040.05 = 94,217.10 : x
  2. Step 2: Convert to fraction form
    144,113.10/216,040.05 = 94,217.10/x
  3. Step 3: Cross multiply
    144,113.10x = 216,040.05 × 94,217.10
  4. Step 4: Simplify right side
    144,113.10x = 20,354,666,994.86
  5. Step 5: Solve for x
    x = 20,354,666,994.86/144,113.10
  6. Step 6: Final answer
    x = 141,240.92

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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.