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Finding the Fourth Proportional to 117,069.70, 175,605.01 and 28,323.06

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Solution

The fourth proportional to 117,069.70, 175,605.01 and 28,323.06 is: 42,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.70 : 175,605.01 = 28,323.06 : x
  2. Step 2: Convert to fraction form
    117,069.70/175,605.01 = 28,323.06/x
  3. Step 3: Cross multiply
    117,069.70x = 175,605.01 × 28,323.06
  4. Step 4: Simplify right side
    117,069.70x = 4,973,671,092.92
  5. Step 5: Solve for x
    x = 4,973,671,092.92/117,069.70
  6. Step 6: Final answer
    x = 42,484.70

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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.