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Finding the Fourth Proportional to 93,164.96, 128,570.40 and 52,877.92

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Solution

The fourth proportional to 93,164.96, 128,570.40 and 52,877.92 is: 72,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,164.96 : 128,570.40 = 52,877.92 : x
  2. Step 2: Convert to fraction form
    93,164.96/128,570.40 = 52,877.92/x
  3. Step 3: Cross multiply
    93,164.96x = 128,570.40 × 52,877.92
  4. Step 4: Simplify right side
    93,164.96x = 6,798,535,325.57
  5. Step 5: Solve for x
    x = 6,798,535,325.57/93,164.96
  6. Step 6: Final answer
    x = 72,973.09

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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.