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Finding the Fourth Proportional to 165,277.67, 248,009.95 and 70,498.86

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Solution

The fourth proportional to 165,277.67, 248,009.95 and 70,498.86 is: 105,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,277.67 : 248,009.95 = 70,498.86 : x
  2. Step 2: Convert to fraction form
    165,277.67/248,009.95 = 70,498.86/x
  3. Step 3: Cross multiply
    165,277.67x = 248,009.95 × 70,498.86
  4. Step 4: Simplify right side
    165,277.67x = 17,484,417,901.74
  5. Step 5: Solve for x
    x = 17,484,417,901.74/165,277.67
  6. Step 6: Final answer
    x = 105,788.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.