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Finding the Fourth Proportional to 103,801.70, 155,702.55 and 62,329.70

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Solution

The fourth proportional to 103,801.70, 155,702.55 and 62,329.70 is: 93,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801.70 : 155,702.55 = 62,329.70 : x
  2. Step 2: Convert to fraction form
    103,801.70/155,702.55 = 62,329.70/x
  3. Step 3: Cross multiply
    103,801.70x = 155,702.55 × 62,329.70
  4. Step 4: Simplify right side
    103,801.70x = 9,704,893,230.74
  5. Step 5: Solve for x
    x = 9,704,893,230.74/103,801.70
  6. Step 6: Final answer
    x = 93,494.55

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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.