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Finding the Fourth Proportional to 152,486.88, 210,407.40 and 95,858.16

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Solution

The fourth proportional to 152,486.88, 210,407.40 and 95,858.16 is: 132,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,486.88 : 210,407.40 = 95,858.16 : x
  2. Step 2: Convert to fraction form
    152,486.88/210,407.40 = 95,858.16/x
  3. Step 3: Cross multiply
    152,486.88x = 210,407.40 × 95,858.16
  4. Step 4: Simplify right side
    152,486.88x = 20,169,266,214.38
  5. Step 5: Solve for x
    x = 20,169,266,214.38/152,486.88
  6. Step 6: Final answer
    x = 132,268.86

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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.