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Finding the Fourth Proportional to 164,515.20, 246,837.60 and 64,658.40

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Solution

The fourth proportional to 164,515.20, 246,837.60 and 64,658.40 is: 97,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,515.20 : 246,837.60 = 64,658.40 : x
  2. Step 2: Convert to fraction form
    164,515.20/246,837.60 = 64,658.40/x
  3. Step 3: Cross multiply
    164,515.20x = 246,837.60 × 64,658.40
  4. Step 4: Simplify right side
    164,515.20x = 15,960,124,275.84
  5. Step 5: Solve for x
    x = 15,960,124,275.84/164,515.20
  6. Step 6: Final answer
    x = 97,013.07

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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.