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Finding the Fourth Proportional to 192,356.88, 265,526.54 and 172,178.16

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Solution

The fourth proportional to 192,356.88, 265,526.54 and 172,178.16 is: 237,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,356.88 : 265,526.54 = 172,178.16 : x
  2. Step 2: Convert to fraction form
    192,356.88/265,526.54 = 172,178.16/x
  3. Step 3: Cross multiply
    192,356.88x = 265,526.54 × 172,178.16
  4. Step 4: Simplify right side
    192,356.88x = 45,717,871,088.37
  5. Step 5: Solve for x
    x = 45,717,871,088.37/192,356.88
  6. Step 6: Final answer
    x = 237,672.14

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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.