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Finding the Fourth Proportional to 123,841.04, 170,840.04 and 73,504.40

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Solution

The fourth proportional to 123,841.04, 170,840.04 and 73,504.40 is: 101,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,841.04 : 170,840.04 = 73,504.40 : x
  2. Step 2: Convert to fraction form
    123,841.04/170,840.04 = 73,504.40/x
  3. Step 3: Cross multiply
    123,841.04x = 170,840.04 × 73,504.40
  4. Step 4: Simplify right side
    123,841.04x = 12,557,494,636.18
  5. Step 5: Solve for x
    x = 12,557,494,636.18/123,841.04
  6. Step 6: Final answer
    x = 101,400.11

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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.