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Finding the Fourth Proportional to 93,230.16, 128,653.14 and 52,938.54

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Solution

The fourth proportional to 93,230.16, 128,653.14 and 52,938.54 is: 73,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.16 : 128,653.14 = 52,938.54 : x
  2. Step 2: Convert to fraction form
    93,230.16/128,653.14 = 52,938.54/x
  3. Step 3: Cross multiply
    93,230.16x = 128,653.14 × 52,938.54
  4. Step 4: Simplify right side
    93,230.16x = 6,810,709,398.02
  5. Step 5: Solve for x
    x = 6,810,709,398.02/93,230.16
  6. Step 6: Final answer
    x = 73,052.64

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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.