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Finding the Fourth Proportional to 74,444.54, 102,787.10 and 45,802.74

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Solution

The fourth proportional to 74,444.54, 102,787.10 and 45,802.74 is: 63,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.54 : 102,787.10 = 45,802.74 : x
  2. Step 2: Convert to fraction form
    74,444.54/102,787.10 = 45,802.74/x
  3. Step 3: Cross multiply
    74,444.54x = 102,787.10 × 45,802.74
  4. Step 4: Simplify right side
    74,444.54x = 4,707,930,931.16
  5. Step 5: Solve for x
    x = 4,707,930,931.16/74,444.54
  6. Step 6: Final answer
    x = 63,240.78

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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.