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Finding the Fourth Proportional to 220,709.04, 330,803.10 and 94,312.32

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Solution

The fourth proportional to 220,709.04, 330,803.10 and 94,312.32 is: 141,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,709.04 : 330,803.10 = 94,312.32 : x
  2. Step 2: Convert to fraction form
    220,709.04/330,803.10 = 94,312.32/x
  3. Step 3: Cross multiply
    220,709.04x = 330,803.10 × 94,312.32
  4. Step 4: Simplify right side
    220,709.04x = 31,198,807,824.19
  5. Step 5: Solve for x
    x = 31,198,807,824.19/220,709.04
  6. Step 6: Final answer
    x = 141,357.18

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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.