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Finding the Fourth Proportional to 93,713.60, 140,602.80 and 90,473.60

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Solution

The fourth proportional to 93,713.60, 140,602.80 and 90,473.60 is: 135,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,713.60 : 140,602.80 = 90,473.60 : x
  2. Step 2: Convert to fraction form
    93,713.60/140,602.80 = 90,473.60/x
  3. Step 3: Cross multiply
    93,713.60x = 140,602.80 × 90,473.60
  4. Step 4: Simplify right side
    93,713.60x = 12,720,841,486.08
  5. Step 5: Solve for x
    x = 12,720,841,486.08/93,713.60
  6. Step 6: Final answer
    x = 135,741.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.