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Finding the Fourth Proportional to 98,622.64, 136,099.28 and 53,300.48

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Solution

The fourth proportional to 98,622.64, 136,099.28 and 53,300.48 is: 73,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622.64 : 136,099.28 = 53,300.48 : x
  2. Step 2: Convert to fraction form
    98,622.64/136,099.28 = 53,300.48/x
  3. Step 3: Cross multiply
    98,622.64x = 136,099.28 × 53,300.48
  4. Step 4: Simplify right side
    98,622.64x = 7,254,156,951.65
  5. Step 5: Solve for x
    x = 7,254,156,951.65/98,622.64
  6. Step 6: Final answer
    x = 73,554.68

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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.