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Finding the Fourth Proportional to 118,222.99, 176,918.42 and 73,870.63

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Solution

The fourth proportional to 118,222.99, 176,918.42 and 73,870.63 is: 110,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,222.99 : 176,918.42 = 73,870.63 : x
  2. Step 2: Convert to fraction form
    118,222.99/176,918.42 = 73,870.63/x
  3. Step 3: Cross multiply
    118,222.99x = 176,918.42 × 73,870.63
  4. Step 4: Simplify right side
    118,222.99x = 13,069,075,144.00
  5. Step 5: Solve for x
    x = 13,069,075,144.00/118,222.99
  6. Step 6: Final answer
    x = 110,545.97

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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.