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Finding the Fourth Proportional to 94,196.94, 129,988.80 and 51,752.76

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Solution

The fourth proportional to 94,196.94, 129,988.80 and 51,752.76 is: 71,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,196.94 : 129,988.80 = 51,752.76 : x
  2. Step 2: Convert to fraction form
    94,196.94/129,988.80 = 51,752.76/x
  3. Step 3: Cross multiply
    94,196.94x = 129,988.80 × 51,752.76
  4. Step 4: Simplify right side
    94,196.94x = 6,727,279,169.09
  5. Step 5: Solve for x
    x = 6,727,279,169.09/94,196.94
  6. Step 6: Final answer
    x = 71,417.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.