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Finding the Fourth Proportional to 223,185.48, 334,780.95 and 65,417.12

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Solution

The fourth proportional to 223,185.48, 334,780.95 and 65,417.12 is: 98,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,185.48 : 334,780.95 = 65,417.12 : x
  2. Step 2: Convert to fraction form
    223,185.48/334,780.95 = 65,417.12/x
  3. Step 3: Cross multiply
    223,185.48x = 334,780.95 × 65,417.12
  4. Step 4: Simplify right side
    223,185.48x = 21,900,405,038.73
  5. Step 5: Solve for x
    x = 21,900,405,038.73/223,185.48
  6. Step 6: Final answer
    x = 98,126.48

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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.