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Finding the Fourth Proportional to 253,516.99, 349,858.16 and 146,068.87

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Solution

The fourth proportional to 253,516.99, 349,858.16 and 146,068.87 is: 201,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,516.99 : 349,858.16 = 146,068.87 : x
  2. Step 2: Convert to fraction form
    253,516.99/349,858.16 = 146,068.87/x
  3. Step 3: Cross multiply
    253,516.99x = 349,858.16 × 146,068.87
  4. Step 4: Simplify right side
    253,516.99x = 51,103,386,091.48
  5. Step 5: Solve for x
    x = 51,103,386,091.48/253,516.99
  6. Step 6: Final answer
    x = 201,577.76

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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.