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Finding the Fourth Proportional to 93,045.79, 128,361.74 and 62,008.01

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Solution

The fourth proportional to 93,045.79, 128,361.74 and 62,008.01 is: 85,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.79 : 128,361.74 = 62,008.01 : x
  2. Step 2: Convert to fraction form
    93,045.79/128,361.74 = 62,008.01/x
  3. Step 3: Cross multiply
    93,045.79x = 128,361.74 × 62,008.01
  4. Step 4: Simplify right side
    93,045.79x = 7,959,456,057.54
  5. Step 5: Solve for x
    x = 7,959,456,057.54/93,045.79
  6. Step 6: Final answer
    x = 85,543.43

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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.