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Finding the Fourth Proportional to 213,047.68, 319,460.28 and 63,267.34

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Solution

The fourth proportional to 213,047.68, 319,460.28 and 63,267.34 is: 94,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,047.68 : 319,460.28 = 63,267.34 : x
  2. Step 2: Convert to fraction form
    213,047.68/319,460.28 = 63,267.34/x
  3. Step 3: Cross multiply
    213,047.68x = 319,460.28 × 63,267.34
  4. Step 4: Simplify right side
    213,047.68x = 20,211,402,151.26
  5. Step 5: Solve for x
    x = 20,211,402,151.26/213,047.68
  6. Step 6: Final answer
    x = 94,867.98

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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.