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Finding the Fourth Proportional to 197,798.16, 296,725.52 and 61,032.88

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Solution

The fourth proportional to 197,798.16, 296,725.52 and 61,032.88 is: 91,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,798.16 : 296,725.52 = 61,032.88 : x
  2. Step 2: Convert to fraction form
    197,798.16/296,725.52 = 61,032.88/x
  3. Step 3: Cross multiply
    197,798.16x = 296,725.52 × 61,032.88
  4. Step 4: Simplify right side
    197,798.16x = 18,110,013,055.10
  5. Step 5: Solve for x
    x = 18,110,013,055.10/197,798.16
  6. Step 6: Final answer
    x = 91,558.05

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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.