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Finding the Fourth Proportional to 219,799.90, 329,696.27 and 70,038.17

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Solution

The fourth proportional to 219,799.90, 329,696.27 and 70,038.17 is: 105,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,799.90 : 329,696.27 = 70,038.17 : x
  2. Step 2: Convert to fraction form
    219,799.90/329,696.27 = 70,038.17/x
  3. Step 3: Cross multiply
    219,799.90x = 329,696.27 × 70,038.17
  4. Step 4: Simplify right side
    219,799.90x = 23,091,323,406.63
  5. Step 5: Solve for x
    x = 23,091,323,406.63/219,799.90
  6. Step 6: Final answer
    x = 105,056.11

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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.