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Finding the Fourth Proportional to 228,192.88, 314,904.76 and 126,216.51

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Solution

The fourth proportional to 228,192.88, 314,904.76 and 126,216.51 is: 174,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,192.88 : 314,904.76 = 126,216.51 : x
  2. Step 2: Convert to fraction form
    228,192.88/314,904.76 = 126,216.51/x
  3. Step 3: Cross multiply
    228,192.88x = 314,904.76 × 126,216.51
  4. Step 4: Simplify right side
    228,192.88x = 39,746,179,474.05
  5. Step 5: Solve for x
    x = 39,746,179,474.05/228,192.88
  6. Step 6: Final answer
    x = 174,178.00

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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.