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Finding the Fourth Proportional to 296,671.34, 445,007.10 and 72,032.06

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Solution

The fourth proportional to 296,671.34, 445,007.10 and 72,032.06 is: 108,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,671.34 : 445,007.10 = 72,032.06 : x
  2. Step 2: Convert to fraction form
    296,671.34/445,007.10 = 72,032.06/x
  3. Step 3: Cross multiply
    296,671.34x = 445,007.10 × 72,032.06
  4. Step 4: Simplify right side
    296,671.34x = 32,054,778,127.63
  5. Step 5: Solve for x
    x = 32,054,778,127.63/296,671.34
  6. Step 6: Final answer
    x = 108,048.11

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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.