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Finding the Fourth Proportional to 108,000.70, 151,356.50 and 108,000.70

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Solution

The fourth proportional to 108,000.70, 151,356.50 and 108,000.70 is: 151,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.70 : 151,356.50 = 108,000.70 : x
  2. Step 2: Convert to fraction form
    108,000.70/151,356.50 = 108,000.70/x
  3. Step 3: Cross multiply
    108,000.70x = 151,356.50 × 108,000.70
  4. Step 4: Simplify right side
    108,000.70x = 16,346,607,949.55
  5. Step 5: Solve for x
    x = 16,346,607,949.55/108,000.70
  6. Step 6: Final answer
    x = 151,356.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.