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Finding the Fourth Proportional to 93,497.40, 129,027.12 and 53,214.24

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Solution

The fourth proportional to 93,497.40, 129,027.12 and 53,214.24 is: 73,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,497.40 : 129,027.12 = 53,214.24 : x
  2. Step 2: Convert to fraction form
    93,497.40/129,027.12 = 53,214.24/x
  3. Step 3: Cross multiply
    93,497.40x = 129,027.12 × 53,214.24
  4. Step 4: Simplify right side
    93,497.40x = 6,866,080,130.19
  5. Step 5: Solve for x
    x = 6,866,080,130.19/93,497.40
  6. Step 6: Final answer
    x = 73,436.05

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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.