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Finding the Fourth Proportional to 259,133.58, 357,482.16 and 151,637.67

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Solution

The fourth proportional to 259,133.58, 357,482.16 and 151,637.67 is: 209,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,133.58 : 357,482.16 = 151,637.67 : x
  2. Step 2: Convert to fraction form
    259,133.58/357,482.16 = 151,637.67/x
  3. Step 3: Cross multiply
    259,133.58x = 357,482.16 × 151,637.67
  4. Step 4: Simplify right side
    259,133.58x = 54,207,761,808.97
  5. Step 5: Solve for x
    x = 54,207,761,808.97/259,133.58
  6. Step 6: Final answer
    x = 209,188.49

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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.