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Finding the Fourth Proportional to 92,881.77, 128,184.83 and 52,602.63

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Solution

The fourth proportional to 92,881.77, 128,184.83 and 52,602.63 is: 72,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.77 : 128,184.83 = 52,602.63 : x
  2. Step 2: Convert to fraction form
    92,881.77/128,184.83 = 52,602.63/x
  3. Step 3: Cross multiply
    92,881.77x = 128,184.83 × 52,602.63
  4. Step 4: Simplify right side
    92,881.77x = 6,742,858,921.09
  5. Step 5: Solve for x
    x = 6,742,858,921.09/92,881.77
  6. Step 6: Final answer
    x = 72,596.15

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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.