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Finding the Fourth Proportional to 97,801.79, 146,702.68 and 53,404.32

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Solution

The fourth proportional to 97,801.79, 146,702.68 and 53,404.32 is: 80,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.79 : 146,702.68 = 53,404.32 : x
  2. Step 2: Convert to fraction form
    97,801.79/146,702.68 = 53,404.32/x
  3. Step 3: Cross multiply
    97,801.79x = 146,702.68 × 53,404.32
  4. Step 4: Simplify right side
    97,801.79x = 7,834,556,867.58
  5. Step 5: Solve for x
    x = 7,834,556,867.58/97,801.79
  6. Step 6: Final answer
    x = 80,106.48

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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.