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Finding the Fourth Proportional to 259,518.96, 358,135.56 and 146,340.90

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Solution

The fourth proportional to 259,518.96, 358,135.56 and 146,340.90 is: 201,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,518.96 : 358,135.56 = 146,340.90 : x
  2. Step 2: Convert to fraction form
    259,518.96/358,135.56 = 146,340.90/x
  3. Step 3: Cross multiply
    259,518.96x = 358,135.56 × 146,340.90
  4. Step 4: Simplify right side
    259,518.96x = 52,409,880,172.40
  5. Step 5: Solve for x
    x = 52,409,880,172.40/259,518.96
  6. Step 6: Final answer
    x = 201,950.10

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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.