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Finding the Fourth Proportional to 93,287.58, 128,740.31 and 53,008.17

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Solution

The fourth proportional to 93,287.58, 128,740.31 and 53,008.17 is: 73,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,287.58 : 128,740.31 = 53,008.17 : x
  2. Step 2: Convert to fraction form
    93,287.58/128,740.31 = 53,008.17/x
  3. Step 3: Cross multiply
    93,287.58x = 128,740.31 × 53,008.17
  4. Step 4: Simplify right side
    93,287.58x = 6,824,287,973.29
  5. Step 5: Solve for x
    x = 6,824,287,973.29/93,287.58
  6. Step 6: Final answer
    x = 73,153.23

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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.