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Finding the Fourth Proportional to 144,465.50, 216,667.46 and 55,689.50

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Solution

The fourth proportional to 144,465.50, 216,667.46 and 55,689.50 is: 83,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,465.50 : 216,667.46 = 55,689.50 : x
  2. Step 2: Convert to fraction form
    144,465.50/216,667.46 = 55,689.50/x
  3. Step 3: Cross multiply
    144,465.50x = 216,667.46 × 55,689.50
  4. Step 4: Simplify right side
    144,465.50x = 12,066,102,513.67
  5. Step 5: Solve for x
    x = 12,066,102,513.67/144,465.50
  6. Step 6: Final answer
    x = 83,522.38

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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.