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Finding the Fourth Proportional to 133,019.68, 199,417.15 and 61,905.63

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Solution

The fourth proportional to 133,019.68, 199,417.15 and 61,905.63 is: 92,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,019.68 : 199,417.15 = 61,905.63 : x
  2. Step 2: Convert to fraction form
    133,019.68/199,417.15 = 61,905.63/x
  3. Step 3: Cross multiply
    133,019.68x = 199,417.15 × 61,905.63
  4. Step 4: Simplify right side
    133,019.68x = 12,345,044,303.55
  5. Step 5: Solve for x
    x = 12,345,044,303.55/133,019.68
  6. Step 6: Final answer
    x = 92,806.15

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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.