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Finding the Fourth Proportional to 160,448.84, 221,421.14 and 88,830.04

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Solution

The fourth proportional to 160,448.84, 221,421.14 and 88,830.04 is: 122,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,448.84 : 221,421.14 = 88,830.04 : x
  2. Step 2: Convert to fraction form
    160,448.84/221,421.14 = 88,830.04/x
  3. Step 3: Cross multiply
    160,448.84x = 221,421.14 × 88,830.04
  4. Step 4: Simplify right side
    160,448.84x = 19,668,848,723.05
  5. Step 5: Solve for x
    x = 19,668,848,723.05/160,448.84
  6. Step 6: Final answer
    x = 122,586.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.