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Finding the Fourth Proportional to 219,554.12, 302,984.88 and 118,952.12

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Solution

The fourth proportional to 219,554.12, 302,984.88 and 118,952.12 is: 164,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,554.12 : 302,984.88 = 118,952.12 : x
  2. Step 2: Convert to fraction form
    219,554.12/302,984.88 = 118,952.12/x
  3. Step 3: Cross multiply
    219,554.12x = 302,984.88 × 118,952.12
  4. Step 4: Simplify right side
    219,554.12x = 36,040,693,803.95
  5. Step 5: Solve for x
    x = 36,040,693,803.95/219,554.12
  6. Step 6: Final answer
    x = 164,154.03

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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.