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Finding the Fourth Proportional to 78,798.50, 108,737.50 and 44,802.18

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Solution

The fourth proportional to 78,798.50, 108,737.50 and 44,802.18 is: 61,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,798.50 : 108,737.50 = 44,802.18 : x
  2. Step 2: Convert to fraction form
    78,798.50/108,737.50 = 44,802.18/x
  3. Step 3: Cross multiply
    78,798.50x = 108,737.50 × 44,802.18
  4. Step 4: Simplify right side
    78,798.50x = 4,871,677,047.75
  5. Step 5: Solve for x
    x = 4,871,677,047.75/78,798.50
  6. Step 6: Final answer
    x = 61,824.49

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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.