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Finding the Fourth Proportional to 225,011.76, 310,527 and 124,416.24

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Solution

The fourth proportional to 225,011.76, 310,527 and 124,416.24 is: 171,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,011.76 : 310,527 = 124,416.24 : x
  2. Step 2: Convert to fraction form
    225,011.76/310,527 = 124,416.24/x
  3. Step 3: Cross multiply
    225,011.76x = 310,527 × 124,416.24
  4. Step 4: Simplify right side
    225,011.76x = 38,634,601,758.48
  5. Step 5: Solve for x
    x = 38,634,601,758.48/225,011.76
  6. Step 6: Final answer
    x = 171,700.37

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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.