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Finding the Fourth Proportional to 86,409.52, 119,245.10 and 46,665.52

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Solution

The fourth proportional to 86,409.52, 119,245.10 and 46,665.52 is: 64,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,409.52 : 119,245.10 = 46,665.52 : x
  2. Step 2: Convert to fraction form
    86,409.52/119,245.10 = 46,665.52/x
  3. Step 3: Cross multiply
    86,409.52x = 119,245.10 × 46,665.52
  4. Step 4: Simplify right side
    86,409.52x = 5,564,634,598.95
  5. Step 5: Solve for x
    x = 5,564,634,598.95/86,409.52
  6. Step 6: Final answer
    x = 64,398.40

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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.