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Finding the Fourth Proportional to 299,070.08, 448,698.72 and 88,709.12

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Solution

The fourth proportional to 299,070.08, 448,698.72 and 88,709.12 is: 133,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,070.08 : 448,698.72 = 88,709.12 : x
  2. Step 2: Convert to fraction form
    299,070.08/448,698.72 = 88,709.12/x
  3. Step 3: Cross multiply
    299,070.08x = 448,698.72 × 88,709.12
  4. Step 4: Simplify right side
    299,070.08x = 39,803,668,596.33
  5. Step 5: Solve for x
    x = 39,803,668,596.33/299,070.08
  6. Step 6: Final answer
    x = 133,091.44

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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.