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Finding the Fourth Proportional to 125,071.97, 172,597.55 and 68,483.34

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Solution

The fourth proportional to 125,071.97, 172,597.55 and 68,483.34 is: 94,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,071.97 : 172,597.55 = 68,483.34 : x
  2. Step 2: Convert to fraction form
    125,071.97/172,597.55 = 68,483.34/x
  3. Step 3: Cross multiply
    125,071.97x = 172,597.55 × 68,483.34
  4. Step 4: Simplify right side
    125,071.97x = 11,820,056,357.40
  5. Step 5: Solve for x
    x = 11,820,056,357.40/125,071.97
  6. Step 6: Final answer
    x = 94,506.04

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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.