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Finding the Fourth Proportional to 225,022.77, 310,530.65 and 124,420.77

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Solution

The fourth proportional to 225,022.77, 310,530.65 and 124,420.77 is: 171,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,022.77 : 310,530.65 = 124,420.77 : x
  2. Step 2: Convert to fraction form
    225,022.77/310,530.65 = 124,420.77/x
  3. Step 3: Cross multiply
    225,022.77x = 310,530.65 × 124,420.77
  4. Step 4: Simplify right side
    225,022.77x = 38,636,461,959.50
  5. Step 5: Solve for x
    x = 38,636,461,959.50/225,022.77
  6. Step 6: Final answer
    x = 171,700.23

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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.