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Finding the Fourth Proportional to 93,368.60, 128,847.18 and 50,926.22

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Solution

The fourth proportional to 93,368.60, 128,847.18 and 50,926.22 is: 70,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,368.60 : 128,847.18 = 50,926.22 : x
  2. Step 2: Convert to fraction form
    93,368.60/128,847.18 = 50,926.22/x
  3. Step 3: Cross multiply
    93,368.60x = 128,847.18 × 50,926.22
  4. Step 4: Simplify right side
    93,368.60x = 6,561,699,835.06
  5. Step 5: Solve for x
    x = 6,561,699,835.06/93,368.60
  6. Step 6: Final answer
    x = 70,277.37

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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.