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Finding the Fourth Proportional to 72,104.07, 99,503.04 and 41,907.07

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Solution

The fourth proportional to 72,104.07, 99,503.04 and 41,907.07 is: 57,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,104.07 : 99,503.04 = 41,907.07 : x
  2. Step 2: Convert to fraction form
    72,104.07/99,503.04 = 41,907.07/x
  3. Step 3: Cross multiply
    72,104.07x = 99,503.04 × 41,907.07
  4. Step 4: Simplify right side
    72,104.07x = 4,169,880,862.49
  5. Step 5: Solve for x
    x = 4,169,880,862.49/72,104.07
  6. Step 6: Final answer
    x = 57,831.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.