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Finding the Fourth Proportional to 86,812.66, 119,810.40 and 52,823.62

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Solution

The fourth proportional to 86,812.66, 119,810.40 and 52,823.62 is: 72,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,812.66 : 119,810.40 = 52,823.62 : x
  2. Step 2: Convert to fraction form
    86,812.66/119,810.40 = 52,823.62/x
  3. Step 3: Cross multiply
    86,812.66x = 119,810.40 × 52,823.62
  4. Step 4: Simplify right side
    86,812.66x = 6,328,819,041.65
  5. Step 5: Solve for x
    x = 6,328,819,041.65/86,812.66
  6. Step 6: Final answer
    x = 72,902.03

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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.