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Finding the Fourth Proportional to 110,225.92, 165,406.56 and 87,602.77

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Solution

The fourth proportional to 110,225.92, 165,406.56 and 87,602.77 is: 131,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,225.92 : 165,406.56 = 87,602.77 : x
  2. Step 2: Convert to fraction form
    110,225.92/165,406.56 = 87,602.77/x
  3. Step 3: Cross multiply
    110,225.92x = 165,406.56 × 87,602.77
  4. Step 4: Simplify right side
    110,225.92x = 14,490,071,567.12
  5. Step 5: Solve for x
    x = 14,490,071,567.12/110,225.92
  6. Step 6: Final answer
    x = 131,457.94

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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.