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Finding the Fourth Proportional to 108,528.10, 152,146.70 and 108,528.10

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Solution

The fourth proportional to 108,528.10, 152,146.70 and 108,528.10 is: 152,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,528.10 : 152,146.70 = 108,528.10 : x
  2. Step 2: Convert to fraction form
    108,528.10/152,146.70 = 108,528.10/x
  3. Step 3: Cross multiply
    108,528.10x = 152,146.70 × 108,528.10
  4. Step 4: Simplify right side
    108,528.10x = 16,512,192,272.27
  5. Step 5: Solve for x
    x = 16,512,192,272.27/108,528.10
  6. Step 6: Final answer
    x = 152,146.70

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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.