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Finding the Fourth Proportional to 163,655.91, 245,484.09 and 51,344.73

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Solution

The fourth proportional to 163,655.91, 245,484.09 and 51,344.73 is: 77,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,655.91 : 245,484.09 = 51,344.73 : x
  2. Step 2: Convert to fraction form
    163,655.91/245,484.09 = 51,344.73/x
  3. Step 3: Cross multiply
    163,655.91x = 245,484.09 × 51,344.73
  4. Step 4: Simplify right side
    163,655.91x = 12,604,314,320.35
  5. Step 5: Solve for x
    x = 12,604,314,320.35/163,655.91
  6. Step 6: Final answer
    x = 77,017.17

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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.