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Finding the Fourth Proportional to 65,988.30, 98,981.04 and 16,068.66

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Solution

The fourth proportional to 65,988.30, 98,981.04 and 16,068.66 is: 24,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,988.30 : 98,981.04 = 16,068.66 : x
  2. Step 2: Convert to fraction form
    65,988.30/98,981.04 = 16,068.66/x
  3. Step 3: Cross multiply
    65,988.30x = 98,981.04 × 16,068.66
  4. Step 4: Simplify right side
    65,988.30x = 1,590,492,678.21
  5. Step 5: Solve for x
    x = 1,590,492,678.21/65,988.30
  6. Step 6: Final answer
    x = 24,102.65

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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.