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Finding the Fourth Proportional to 66,192.30, 99,045.45 and 48,696.30

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Solution

The fourth proportional to 66,192.30, 99,045.45 and 48,696.30 is: 72,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.30 : 99,045.45 = 48,696.30 : x
  2. Step 2: Convert to fraction form
    66,192.30/99,045.45 = 48,696.30/x
  3. Step 3: Cross multiply
    66,192.30x = 99,045.45 × 48,696.30
  4. Step 4: Simplify right side
    66,192.30x = 4,823,146,946.84
  5. Step 5: Solve for x
    x = 4,823,146,946.84/66,192.30
  6. Step 6: Final answer
    x = 72,865.68

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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.