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Finding the Fourth Proportional to 104,915.70, 157,373.55 and 95,730.30

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Solution

The fourth proportional to 104,915.70, 157,373.55 and 95,730.30 is: 143,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,915.70 : 157,373.55 = 95,730.30 : x
  2. Step 2: Convert to fraction form
    104,915.70/157,373.55 = 95,730.30/x
  3. Step 3: Cross multiply
    104,915.70x = 157,373.55 × 95,730.30
  4. Step 4: Simplify right side
    104,915.70x = 15,065,417,153.57
  5. Step 5: Solve for x
    x = 15,065,417,153.57/104,915.70
  6. Step 6: Final answer
    x = 143,595.45

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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.