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Finding the Fourth Proportional to 112,250.64, 154,904.76 and 64,518.96

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Solution

The fourth proportional to 112,250.64, 154,904.76 and 64,518.96 is: 89,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,250.64 : 154,904.76 = 64,518.96 : x
  2. Step 2: Convert to fraction form
    112,250.64/154,904.76 = 64,518.96/x
  3. Step 3: Cross multiply
    112,250.64x = 154,904.76 × 64,518.96
  4. Step 4: Simplify right side
    112,250.64x = 9,994,294,014.25
  5. Step 5: Solve for x
    x = 9,994,294,014.25/112,250.64
  6. Step 6: Final answer
    x = 89,035.52

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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.