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Finding the Fourth Proportional to 197,810.15, 296,506.04 and 64,654.65

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Solution

The fourth proportional to 197,810.15, 296,506.04 and 64,654.65 is: 96,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,810.15 : 296,506.04 = 64,654.65 : x
  2. Step 2: Convert to fraction form
    197,810.15/296,506.04 = 64,654.65/x
  3. Step 3: Cross multiply
    197,810.15x = 296,506.04 × 64,654.65
  4. Step 4: Simplify right side
    197,810.15x = 19,170,493,915.81
  5. Step 5: Solve for x
    x = 19,170,493,915.81/197,810.15
  6. Step 6: Final answer
    x = 96,913.60

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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.