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Finding the Fourth Proportional to 95,580.84, 143,352.02 and 90,838.70

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Solution

The fourth proportional to 95,580.84, 143,352.02 and 90,838.70 is: 136,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,580.84 : 143,352.02 = 90,838.70 : x
  2. Step 2: Convert to fraction form
    95,580.84/143,352.02 = 90,838.70/x
  3. Step 3: Cross multiply
    95,580.84x = 143,352.02 × 90,838.70
  4. Step 4: Simplify right side
    95,580.84x = 13,021,911,139.17
  5. Step 5: Solve for x
    x = 13,021,911,139.17/95,580.84
  6. Step 6: Final answer
    x = 136,239.76

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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.