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Finding the Fourth Proportional to 197,803.95, 296,752.61 and 64,683.69

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Solution

The fourth proportional to 197,803.95, 296,752.61 and 64,683.69 is: 97,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,803.95 : 296,752.61 = 64,683.69 : x
  2. Step 2: Convert to fraction form
    197,803.95/296,752.61 = 64,683.69/x
  3. Step 3: Cross multiply
    197,803.95x = 296,752.61 × 64,683.69
  4. Step 4: Simplify right side
    197,803.95x = 19,195,053,831.93
  5. Step 5: Solve for x
    x = 19,195,053,831.93/197,803.95
  6. Step 6: Final answer
    x = 97,040.80

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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.