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Finding the Fourth Proportional to 98,117.70, 147,187.35 and 35,801.70

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Solution

The fourth proportional to 98,117.70, 147,187.35 and 35,801.70 is: 53,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.70 : 147,187.35 = 35,801.70 : x
  2. Step 2: Convert to fraction form
    98,117.70/147,187.35 = 35,801.70/x
  3. Step 3: Cross multiply
    98,117.70x = 147,187.35 × 35,801.70
  4. Step 4: Simplify right side
    98,117.70x = 5,269,557,348.50
  5. Step 5: Solve for x
    x = 5,269,557,348.50/98,117.70
  6. Step 6: Final answer
    x = 53,706.49

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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.