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Finding the Fourth Proportional to 292,752, 403,998.03 and 158,616

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Solution

The fourth proportional to 292,752, 403,998.03 and 158,616 is: 218,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,752 : 403,998.03 = 158,616 : x
  2. Step 2: Convert to fraction form
    292,752/403,998.03 = 158,616/x
  3. Step 3: Cross multiply
    292,752x = 403,998.03 × 158,616
  4. Step 4: Simplify right side
    292,752x = 64,080,551,526.48
  5. Step 5: Solve for x
    x = 64,080,551,526.48/292,752
  6. Step 6: Final answer
    x = 218,890.23

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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.