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Finding the Fourth Proportional to 65,210.12, 97,815.18 and 34,038.08

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Solution

The fourth proportional to 65,210.12, 97,815.18 and 34,038.08 is: 51,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210.12 : 97,815.18 = 34,038.08 : x
  2. Step 2: Convert to fraction form
    65,210.12/97,815.18 = 34,038.08/x
  3. Step 3: Cross multiply
    65,210.12x = 97,815.18 × 34,038.08
  4. Step 4: Simplify right side
    65,210.12x = 3,329,440,922.05
  5. Step 5: Solve for x
    x = 3,329,440,922.05/65,210.12
  6. Step 6: Final answer
    x = 51,057.12

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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.