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Finding the Fourth Proportional to 235,897.60, 325,565.58 and 140,404.60

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Solution

The fourth proportional to 235,897.60, 325,565.58 and 140,404.60 is: 193,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,897.60 : 325,565.58 = 140,404.60 : x
  2. Step 2: Convert to fraction form
    235,897.60/325,565.58 = 140,404.60/x
  3. Step 3: Cross multiply
    235,897.60x = 325,565.58 × 140,404.60
  4. Step 4: Simplify right side
    235,897.60x = 45,710,905,033.67
  5. Step 5: Solve for x
    x = 45,710,905,033.67/235,897.60
  6. Step 6: Final answer
    x = 193,774.35

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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.