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Finding the Fourth Proportional to 65,256.64, 97,416.16 and 60,631.04

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Solution

The fourth proportional to 65,256.64, 97,416.16 and 60,631.04 is: 90,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,256.64 : 97,416.16 = 60,631.04 : x
  2. Step 2: Convert to fraction form
    65,256.64/97,416.16 = 60,631.04/x
  3. Step 3: Cross multiply
    65,256.64x = 97,416.16 × 60,631.04
  4. Step 4: Simplify right side
    65,256.64x = 5,906,443,093.61
  5. Step 5: Solve for x
    x = 5,906,443,093.61/65,256.64
  6. Step 6: Final answer
    x = 90,510.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.