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Finding the Fourth Proportional to 370,175.32, 555,264.50 and 103,938.04

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Solution

The fourth proportional to 370,175.32, 555,264.50 and 103,938.04 is: 155,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,175.32 : 555,264.50 = 103,938.04 : x
  2. Step 2: Convert to fraction form
    370,175.32/555,264.50 = 103,938.04/x
  3. Step 3: Cross multiply
    370,175.32x = 555,264.50 × 103,938.04
  4. Step 4: Simplify right side
    370,175.32x = 57,713,103,811.58
  5. Step 5: Solve for x
    x = 57,713,103,811.58/370,175.32
  6. Step 6: Final answer
    x = 155,907.49

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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.