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Finding the Fourth Proportional to 92,465.85, 127,600.77 and 52,178.58

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Solution

The fourth proportional to 92,465.85, 127,600.77 and 52,178.58 is: 72,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,465.85 : 127,600.77 = 52,178.58 : x
  2. Step 2: Convert to fraction form
    92,465.85/127,600.77 = 52,178.58/x
  3. Step 3: Cross multiply
    92,465.85x = 127,600.77 × 52,178.58
  4. Step 4: Simplify right side
    92,465.85x = 6,658,026,985.51
  5. Step 5: Solve for x
    x = 6,658,026,985.51/92,465.85
  6. Step 6: Final answer
    x = 72,005.25

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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.