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Finding the Fourth Proportional to 152,657.60, 228,986.40 and 96,670.40

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Solution

The fourth proportional to 152,657.60, 228,986.40 and 96,670.40 is: 145,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,657.60 : 228,986.40 = 96,670.40 : x
  2. Step 2: Convert to fraction form
    152,657.60/228,986.40 = 96,670.40/x
  3. Step 3: Cross multiply
    152,657.60x = 228,986.40 × 96,670.40
  4. Step 4: Simplify right side
    152,657.60x = 22,136,206,882.56
  5. Step 5: Solve for x
    x = 22,136,206,882.56/152,657.60
  6. Step 6: Final answer
    x = 145,005.60

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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.