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Finding the Fourth Proportional to 110,303.94, 165,455.93 and 77,088.88

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Solution

The fourth proportional to 110,303.94, 165,455.93 and 77,088.88 is: 115,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,303.94 : 165,455.93 = 77,088.88 : x
  2. Step 2: Convert to fraction form
    110,303.94/165,455.93 = 77,088.88/x
  3. Step 3: Cross multiply
    110,303.94x = 165,455.93 × 77,088.88
  4. Step 4: Simplify right side
    110,303.94x = 12,754,811,533.97
  5. Step 5: Solve for x
    x = 12,754,811,533.97/110,303.94
  6. Step 6: Final answer
    x = 115,633.33

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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.