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Finding the Fourth Proportional to 105,070.01, 144,990.70 and 59,759.02

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Solution

The fourth proportional to 105,070.01, 144,990.70 and 59,759.02 is: 82,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070.01 : 144,990.70 = 59,759.02 : x
  2. Step 2: Convert to fraction form
    105,070.01/144,990.70 = 59,759.02/x
  3. Step 3: Cross multiply
    105,070.01x = 144,990.70 × 59,759.02
  4. Step 4: Simplify right side
    105,070.01x = 8,664,501,416.16
  5. Step 5: Solve for x
    x = 8,664,501,416.16/105,070.01
  6. Step 6: Final answer
    x = 82,464.08

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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.