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Finding the Fourth Proportional to 253,526.88, 349,904 and 146,076.16

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Solution

The fourth proportional to 253,526.88, 349,904 and 146,076.16 is: 201,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,526.88 : 349,904 = 146,076.16 : x
  2. Step 2: Convert to fraction form
    253,526.88/349,904 = 146,076.16/x
  3. Step 3: Cross multiply
    253,526.88x = 349,904 × 146,076.16
  4. Step 4: Simplify right side
    253,526.88x = 51,112,632,688.64
  5. Step 5: Solve for x
    x = 51,112,632,688.64/253,526.88
  6. Step 6: Final answer
    x = 201,606.36

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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.