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Finding the Fourth Proportional to 259,065.74, 357,510.11 and 151,656.10

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Solution

The fourth proportional to 259,065.74, 357,510.11 and 151,656.10 is: 209,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,065.74 : 357,510.11 = 151,656.10 : x
  2. Step 2: Convert to fraction form
    259,065.74/357,510.11 = 151,656.10/x
  3. Step 3: Cross multiply
    259,065.74x = 357,510.11 × 151,656.10
  4. Step 4: Simplify right side
    259,065.74x = 54,218,587,341.12
  5. Step 5: Solve for x
    x = 54,218,587,341.12/259,065.74
  6. Step 6: Final answer
    x = 209,285.05

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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.