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Finding the Fourth Proportional to 93,476.01, 128,999.73 and 53,195.57

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Solution

The fourth proportional to 93,476.01, 128,999.73 and 53,195.57 is: 73,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,476.01 : 128,999.73 = 53,195.57 : x
  2. Step 2: Convert to fraction form
    93,476.01/128,999.73 = 53,195.57/x
  3. Step 3: Cross multiply
    93,476.01x = 128,999.73 × 53,195.57
  4. Step 4: Simplify right side
    93,476.01x = 6,862,214,167.20
  5. Step 5: Solve for x
    x = 6,862,214,167.20/93,476.01
  6. Step 6: Final answer
    x = 73,411.50

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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.