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Finding the Fourth Proportional to 245,220.80, 367,831.20 and 97,476.80

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Solution

The fourth proportional to 245,220.80, 367,831.20 and 97,476.80 is: 146,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,220.80 : 367,831.20 = 97,476.80 : x
  2. Step 2: Convert to fraction form
    245,220.80/367,831.20 = 97,476.80/x
  3. Step 3: Cross multiply
    245,220.80x = 367,831.20 × 97,476.80
  4. Step 4: Simplify right side
    245,220.80x = 35,855,008,316.16
  5. Step 5: Solve for x
    x = 35,855,008,316.16/245,220.80
  6. Step 6: Final answer
    x = 146,215.20

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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.