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Finding the Fourth Proportional to 171,392.84, 256,754.46 and 118,075.40

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Solution

The fourth proportional to 171,392.84, 256,754.46 and 118,075.40 is: 176,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,392.84 : 256,754.46 = 118,075.40 : x
  2. Step 2: Convert to fraction form
    171,392.84/256,754.46 = 118,075.40/x
  3. Step 3: Cross multiply
    171,392.84x = 256,754.46 × 118,075.40
  4. Step 4: Simplify right side
    171,392.84x = 30,316,385,566.28
  5. Step 5: Solve for x
    x = 30,316,385,566.28/171,392.84
  6. Step 6: Final answer
    x = 176,882.45

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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.