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Finding the Fourth Proportional to 119,547.96, 164,973.74 and 65,833.96

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Solution

The fourth proportional to 119,547.96, 164,973.74 and 65,833.96 is: 90,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,547.96 : 164,973.74 = 65,833.96 : x
  2. Step 2: Convert to fraction form
    119,547.96/164,973.74 = 65,833.96/x
  3. Step 3: Cross multiply
    119,547.96x = 164,973.74 × 65,833.96
  4. Step 4: Simplify right side
    119,547.96x = 10,860,874,600.21
  5. Step 5: Solve for x
    x = 10,860,874,600.21/119,547.96
  6. Step 6: Final answer
    x = 90,849.52

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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.