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Finding the Fourth Proportional to 169,985, 234,579.30 and 94,533.50

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Solution

The fourth proportional to 169,985, 234,579.30 and 94,533.50 is: 130,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,985 : 234,579.30 = 94,533.50 : x
  2. Step 2: Convert to fraction form
    169,985/234,579.30 = 94,533.50/x
  3. Step 3: Cross multiply
    169,985x = 234,579.30 × 94,533.50
  4. Step 4: Simplify right side
    169,985x = 22,175,602,256.55
  5. Step 5: Solve for x
    x = 22,175,602,256.55/169,985
  6. Step 6: Final answer
    x = 130,456.23

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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.