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Finding the Fourth Proportional to 123,735.40, 185,603.10 and 94,210.90

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Solution

The fourth proportional to 123,735.40, 185,603.10 and 94,210.90 is: 141,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,735.40 : 185,603.10 = 94,210.90 : x
  2. Step 2: Convert to fraction form
    123,735.40/185,603.10 = 94,210.90/x
  3. Step 3: Cross multiply
    123,735.40x = 185,603.10 × 94,210.90
  4. Step 4: Simplify right side
    123,735.40x = 17,485,835,093.79
  5. Step 5: Solve for x
    x = 17,485,835,093.79/123,735.40
  6. Step 6: Final answer
    x = 141,316.35

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1.5x scale

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.