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Finding the Fourth Proportional to 153,016.88, 211,188.36 and 127,482.75

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Solution

The fourth proportional to 153,016.88, 211,188.36 and 127,482.75 is: 175,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,016.88 : 211,188.36 = 127,482.75 : x
  2. Step 2: Convert to fraction form
    153,016.88/211,188.36 = 127,482.75/x
  3. Step 3: Cross multiply
    153,016.88x = 211,188.36 × 127,482.75
  4. Step 4: Simplify right side
    153,016.88x = 26,922,872,900.79
  5. Step 5: Solve for x
    x = 26,922,872,900.79/153,016.88
  6. Step 6: Final answer
    x = 175,947.08

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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.