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Finding the Fourth Proportional to 108,746.70, 152,400.90 and 108,746.70

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Solution

The fourth proportional to 108,746.70, 152,400.90 and 108,746.70 is: 152,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,746.70 : 152,400.90 = 108,746.70 : x
  2. Step 2: Convert to fraction form
    108,746.70/152,400.90 = 108,746.70/x
  3. Step 3: Cross multiply
    108,746.70x = 152,400.90 × 108,746.70
  4. Step 4: Simplify right side
    108,746.70x = 16,573,094,952.03
  5. Step 5: Solve for x
    x = 16,573,094,952.03/108,746.70
  6. Step 6: Final answer
    x = 152,400.90

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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.