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Finding the Fourth Proportional to 115,833.98, 159,875.82 and 70,526.90

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Solution

The fourth proportional to 115,833.98, 159,875.82 and 70,526.90 is: 97,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,833.98 : 159,875.82 = 70,526.90 : x
  2. Step 2: Convert to fraction form
    115,833.98/159,875.82 = 70,526.90/x
  3. Step 3: Cross multiply
    115,833.98x = 159,875.82 × 70,526.90
  4. Step 4: Simplify right side
    115,833.98x = 11,275,545,969.56
  5. Step 5: Solve for x
    x = 11,275,545,969.56/115,833.98
  6. Step 6: Final answer
    x = 97,342.30

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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.