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Finding the Fourth Proportional to 105,070.28, 144,991.08 and 59,759.28

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Solution

The fourth proportional to 105,070.28, 144,991.08 and 59,759.28 is: 82,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070.28 : 144,991.08 = 59,759.28 : x
  2. Step 2: Convert to fraction form
    105,070.28/144,991.08 = 59,759.28/x
  3. Step 3: Cross multiply
    105,070.28x = 144,991.08 × 59,759.28
  4. Step 4: Simplify right side
    105,070.28x = 8,664,562,547.22
  5. Step 5: Solve for x
    x = 8,664,562,547.22/105,070.28
  6. Step 6: Final answer
    x = 82,464.45

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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.