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Finding the Fourth Proportional to 164,187.91, 246,281.87 and 126,802.51

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Solution

The fourth proportional to 164,187.91, 246,281.87 and 126,802.51 is: 190,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,187.91 : 246,281.87 = 126,802.51 : x
  2. Step 2: Convert to fraction form
    164,187.91/246,281.87 = 126,802.51/x
  3. Step 3: Cross multiply
    164,187.91x = 246,281.87 × 126,802.51
  4. Step 4: Simplify right side
    164,187.91x = 31,229,159,656.87
  5. Step 5: Solve for x
    x = 31,229,159,656.87/164,187.91
  6. Step 6: Final answer
    x = 190,203.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.