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Finding the Fourth Proportional to 148,590.16, 205,000.61 and 97,630.32

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Solution

The fourth proportional to 148,590.16, 205,000.61 and 97,630.32 is: 134,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,590.16 : 205,000.61 = 97,630.32 : x
  2. Step 2: Convert to fraction form
    148,590.16/205,000.61 = 97,630.32/x
  3. Step 3: Cross multiply
    148,590.16x = 205,000.61 × 97,630.32
  4. Step 4: Simplify right side
    148,590.16x = 20,014,275,435.10
  5. Step 5: Solve for x
    x = 20,014,275,435.10/148,590.16
  6. Step 6: Final answer
    x = 134,694.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.