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Finding the Fourth Proportional to 160,421.58, 240,868.93 and 89,482.82

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Solution

The fourth proportional to 160,421.58, 240,868.93 and 89,482.82 is: 134,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,421.58 : 240,868.93 = 89,482.82 : x
  2. Step 2: Convert to fraction form
    160,421.58/240,868.93 = 89,482.82/x
  3. Step 3: Cross multiply
    160,421.58x = 240,868.93 × 89,482.82
  4. Step 4: Simplify right side
    160,421.58x = 21,553,631,106.78
  5. Step 5: Solve for x
    x = 21,553,631,106.78/160,421.58
  6. Step 6: Final answer
    x = 134,356.18

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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.