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Finding the Fourth Proportional to 99,302.94, 148,963.59 and 28,227.06

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Solution

The fourth proportional to 99,302.94, 148,963.59 and 28,227.06 is: 42,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.94 : 148,963.59 = 28,227.06 : x
  2. Step 2: Convert to fraction form
    99,302.94/148,963.59 = 28,227.06/x
  3. Step 3: Cross multiply
    99,302.94x = 148,963.59 × 28,227.06
  4. Step 4: Simplify right side
    99,302.94x = 4,204,803,679.20
  5. Step 5: Solve for x
    x = 4,204,803,679.20/99,302.94
  6. Step 6: Final answer
    x = 42,343.20

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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.