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Finding the Fourth Proportional to 74,096.54, 102,037.80 and 64,401.74

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Solution

The fourth proportional to 74,096.54, 102,037.80 and 64,401.74 is: 88,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,096.54 : 102,037.80 = 64,401.74 : x
  2. Step 2: Convert to fraction form
    74,096.54/102,037.80 = 64,401.74/x
  3. Step 3: Cross multiply
    74,096.54x = 102,037.80 × 64,401.74
  4. Step 4: Simplify right side
    74,096.54x = 6,571,411,865.77
  5. Step 5: Solve for x
    x = 6,571,411,865.77/74,096.54
  6. Step 6: Final answer
    x = 88,687.16

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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.