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Finding the Fourth Proportional to 64,988.16, 97,521.08 and 59,700.48

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Solution

The fourth proportional to 64,988.16, 97,521.08 and 59,700.48 is: 89,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.16 : 97,521.08 = 59,700.48 : x
  2. Step 2: Convert to fraction form
    64,988.16/97,521.08 = 59,700.48/x
  3. Step 3: Cross multiply
    64,988.16x = 97,521.08 × 59,700.48
  4. Step 4: Simplify right side
    64,988.16x = 5,822,055,286.12
  5. Step 5: Solve for x
    x = 5,822,055,286.12/64,988.16
  6. Step 6: Final answer
    x = 89,586.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.