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Finding the Fourth Proportional to 365,365.41, 548,048.39 and 99,125.91

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Solution

The fourth proportional to 365,365.41, 548,048.39 and 99,125.91 is: 148,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,365.41 : 548,048.39 = 99,125.91 : x
  2. Step 2: Convert to fraction form
    365,365.41/548,048.39 = 99,125.91/x
  3. Step 3: Cross multiply
    365,365.41x = 548,048.39 × 99,125.91
  4. Step 4: Simplify right side
    365,365.41x = 54,325,792,831.97
  5. Step 5: Solve for x
    x = 54,325,792,831.97/365,365.41
  6. Step 6: Final answer
    x = 148,688.93

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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.