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Finding the Fourth Proportional to 326,166.66, 450,066.51 and 180,970.11

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Solution

The fourth proportional to 326,166.66, 450,066.51 and 180,970.11 is: 249,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,166.66 : 450,066.51 = 180,970.11 : x
  2. Step 2: Convert to fraction form
    326,166.66/450,066.51 = 180,970.11/x
  3. Step 3: Cross multiply
    326,166.66x = 450,066.51 × 180,970.11
  4. Step 4: Simplify right side
    326,166.66x = 81,448,585,822.02
  5. Step 5: Solve for x
    x = 81,448,585,822.02/326,166.66
  6. Step 6: Final answer
    x = 249,714.63

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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.