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Finding the Fourth Proportional to 109,611.70, 164,590.35 and 62,955.70

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Solution

The fourth proportional to 109,611.70, 164,590.35 and 62,955.70 is: 94,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,611.70 : 164,590.35 = 62,955.70 : x
  2. Step 2: Convert to fraction form
    109,611.70/164,590.35 = 62,955.70/x
  3. Step 3: Cross multiply
    109,611.70x = 164,590.35 × 62,955.70
  4. Step 4: Simplify right side
    109,611.70x = 10,361,900,697.50
  5. Step 5: Solve for x
    x = 10,361,900,697.50/109,611.70
  6. Step 6: Final answer
    x = 94,532.80

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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.