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Finding the Fourth Proportional to 197,873.70, 296,810.55 and 55,718.93

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Solution

The fourth proportional to 197,873.70, 296,810.55 and 55,718.93 is: 83,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,873.70 : 296,810.55 = 55,718.93 : x
  2. Step 2: Convert to fraction form
    197,873.70/296,810.55 = 55,718.93/x
  3. Step 3: Cross multiply
    197,873.70x = 296,810.55 × 55,718.93
  4. Step 4: Simplify right side
    197,873.70x = 16,537,966,258.71
  5. Step 5: Solve for x
    x = 16,537,966,258.71/197,873.70
  6. Step 6: Final answer
    x = 83,578.40

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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.