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Finding the Fourth Proportional to 113,594.58, 156,760.65 and 65,875.66

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Solution

The fourth proportional to 113,594.58, 156,760.65 and 65,875.66 is: 90,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,594.58 : 156,760.65 = 65,875.66 : x
  2. Step 2: Convert to fraction form
    113,594.58/156,760.65 = 65,875.66/x
  3. Step 3: Cross multiply
    113,594.58x = 156,760.65 × 65,875.66
  4. Step 4: Simplify right side
    113,594.58x = 10,326,710,888.88
  5. Step 5: Solve for x
    x = 10,326,710,888.88/113,594.58
  6. Step 6: Final answer
    x = 90,908.48

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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.