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Finding the Fourth Proportional to 340,124.40, 510,167.70 and 103,448.48

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Solution

The fourth proportional to 340,124.40, 510,167.70 and 103,448.48 is: 155,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,124.40 : 510,167.70 = 103,448.48 : x
  2. Step 2: Convert to fraction form
    340,124.40/510,167.70 = 103,448.48/x
  3. Step 3: Cross multiply
    340,124.40x = 510,167.70 × 103,448.48
  4. Step 4: Simplify right side
    340,124.40x = 52,776,070,559.26
  5. Step 5: Solve for x
    x = 52,776,070,559.26/340,124.40
  6. Step 6: Final answer
    x = 155,166.96

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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.