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Finding the Fourth Proportional to 259,574.37, 358,211.95 and 144,851.79

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Solution

The fourth proportional to 259,574.37, 358,211.95 and 144,851.79 is: 199,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,574.37 : 358,211.95 = 144,851.79 : x
  2. Step 2: Convert to fraction form
    259,574.37/358,211.95 = 144,851.79/x
  3. Step 3: Cross multiply
    259,574.37x = 358,211.95 × 144,851.79
  4. Step 4: Simplify right side
    259,574.37x = 51,887,643,952.85
  5. Step 5: Solve for x
    x = 51,887,643,952.85/259,574.37
  6. Step 6: Final answer
    x = 199,895.10

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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.