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Finding the Fourth Proportional to 155,808.65, 214,968.14 and 95,316.23

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Solution

The fourth proportional to 155,808.65, 214,968.14 and 95,316.23 is: 131,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,808.65 : 214,968.14 = 95,316.23 : x
  2. Step 2: Convert to fraction form
    155,808.65/214,968.14 = 95,316.23/x
  3. Step 3: Cross multiply
    155,808.65x = 214,968.14 × 95,316.23
  4. Step 4: Simplify right side
    155,808.65x = 20,489,952,674.91
  5. Step 5: Solve for x
    x = 20,489,952,674.91/155,808.65
  6. Step 6: Final answer
    x = 131,507.16

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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.