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Finding the Fourth Proportional to 140,590.60, 210,886.70 and 57,484.60

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Solution

The fourth proportional to 140,590.60, 210,886.70 and 57,484.60 is: 86,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,590.60 : 210,886.70 = 57,484.60 : x
  2. Step 2: Convert to fraction form
    140,590.60/210,886.70 = 57,484.60/x
  3. Step 3: Cross multiply
    140,590.60x = 210,886.70 × 57,484.60
  4. Step 4: Simplify right side
    140,590.60x = 12,122,737,594.82
  5. Step 5: Solve for x
    x = 12,122,737,594.82/140,590.60
  6. Step 6: Final answer
    x = 86,227.23

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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.