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Finding the Fourth Proportional to 340,559.16, 510,837.30 and 103,901.04

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Solution

The fourth proportional to 340,559.16, 510,837.30 and 103,901.04 is: 155,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,559.16 : 510,837.30 = 103,901.04 : x
  2. Step 2: Convert to fraction form
    340,559.16/510,837.30 = 103,901.04/x
  3. Step 3: Cross multiply
    340,559.16x = 510,837.30 × 103,901.04
  4. Step 4: Simplify right side
    340,559.16x = 53,076,526,740.79
  5. Step 5: Solve for x
    x = 53,076,526,740.79/340,559.16
  6. Step 6: Final answer
    x = 155,851.12

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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.