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Finding the Fourth Proportional to 102,513.60, 153,770.40 and 94,640.40

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Solution

The fourth proportional to 102,513.60, 153,770.40 and 94,640.40 is: 141,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,513.60 : 153,770.40 = 94,640.40 : x
  2. Step 2: Convert to fraction form
    102,513.60/153,770.40 = 94,640.40/x
  3. Step 3: Cross multiply
    102,513.60x = 153,770.40 × 94,640.40
  4. Step 4: Simplify right side
    102,513.60x = 14,552,892,164.16
  5. Step 5: Solve for x
    x = 14,552,892,164.16/102,513.60
  6. Step 6: Final answer
    x = 141,960.60

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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.