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Finding the Fourth Proportional to 126,051.70, 176,603.60 and 126,051.70

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Solution

The fourth proportional to 126,051.70, 176,603.60 and 126,051.70 is: 176,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.70 : 176,603.60 = 126,051.70 : x
  2. Step 2: Convert to fraction form
    126,051.70/176,603.60 = 126,051.70/x
  3. Step 3: Cross multiply
    126,051.70x = 176,603.60 × 126,051.70
  4. Step 4: Simplify right side
    126,051.70x = 22,261,184,006.12
  5. Step 5: Solve for x
    x = 22,261,184,006.12/126,051.70
  6. Step 6: Final answer
    x = 176,603.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.