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Finding the Fourth Proportional to 104,730.52, 144,360.07 and 70,728.14

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Solution

The fourth proportional to 104,730.52, 144,360.07 and 70,728.14 is: 97,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,730.52 : 144,360.07 = 70,728.14 : x
  2. Step 2: Convert to fraction form
    104,730.52/144,360.07 = 70,728.14/x
  3. Step 3: Cross multiply
    104,730.52x = 144,360.07 × 70,728.14
  4. Step 4: Simplify right side
    104,730.52x = 10,210,319,011.27
  5. Step 5: Solve for x
    x = 10,210,319,011.27/104,730.52
  6. Step 6: Final answer
    x = 97,491.34

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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.