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Finding the Fourth Proportional to 299,075.79, 448,482.45 and 111,956.07

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Solution

The fourth proportional to 299,075.79, 448,482.45 and 111,956.07 is: 167,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,075.79 : 448,482.45 = 111,956.07 : x
  2. Step 2: Convert to fraction form
    299,075.79/448,482.45 = 111,956.07/x
  3. Step 3: Cross multiply
    299,075.79x = 448,482.45 × 111,956.07
  4. Step 4: Simplify right side
    299,075.79x = 50,210,332,565.97
  5. Step 5: Solve for x
    x = 50,210,332,565.97/299,075.79
  6. Step 6: Final answer
    x = 167,884.98

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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.