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Finding the Fourth Proportional to 216,298.08, 298,472.04 and 120,802.32

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Solution

The fourth proportional to 216,298.08, 298,472.04 and 120,802.32 is: 166,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,298.08 : 298,472.04 = 120,802.32 : x
  2. Step 2: Convert to fraction form
    216,298.08/298,472.04 = 120,802.32/x
  3. Step 3: Cross multiply
    216,298.08x = 298,472.04 × 120,802.32
  4. Step 4: Simplify right side
    216,298.08x = 36,056,114,887.13
  5. Step 5: Solve for x
    x = 36,056,114,887.13/216,298.08
  6. Step 6: Final answer
    x = 166,696.42

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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.