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Finding the Fourth Proportional to 245,798.88, 368,841.44 and 103,635.24

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Solution

The fourth proportional to 245,798.88, 368,841.44 and 103,635.24 is: 155,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,798.88 : 368,841.44 = 103,635.24 : x
  2. Step 2: Convert to fraction form
    245,798.88/368,841.44 = 103,635.24/x
  3. Step 3: Cross multiply
    245,798.88x = 368,841.44 × 103,635.24
  4. Step 4: Simplify right side
    245,798.88x = 38,224,971,156.35
  5. Step 5: Solve for x
    x = 38,224,971,156.35/245,798.88
  6. Step 6: Final answer
    x = 155,513.20

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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.