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Finding the Fourth Proportional to 99,075.69, 148,605.53 and 27,995.46

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Solution

The fourth proportional to 99,075.69, 148,605.53 and 27,995.46 is: 41,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.69 : 148,605.53 = 27,995.46 : x
  2. Step 2: Convert to fraction form
    99,075.69/148,605.53 = 27,995.46/x
  3. Step 3: Cross multiply
    99,075.69x = 148,605.53 × 27,995.46
  4. Step 4: Simplify right side
    99,075.69x = 4,160,280,030.92
  5. Step 5: Solve for x
    x = 4,160,280,030.92/99,075.69
  6. Step 6: Final answer
    x = 41,990.93

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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.