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Finding the Fourth Proportional to 145,064.88, 217,466.10 and 51,548.76

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Solution

The fourth proportional to 145,064.88, 217,466.10 and 51,548.76 is: 77,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,064.88 : 217,466.10 = 51,548.76 : x
  2. Step 2: Convert to fraction form
    145,064.88/217,466.10 = 51,548.76/x
  3. Step 3: Cross multiply
    145,064.88x = 217,466.10 × 51,548.76
  4. Step 4: Simplify right side
    145,064.88x = 11,210,107,797.04
  5. Step 5: Solve for x
    x = 11,210,107,797.04/145,064.88
  6. Step 6: Final answer
    x = 77,276.51

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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.