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Finding the Fourth Proportional to 219,139.29, 301,737.69 and 186,801.39

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Solution

The fourth proportional to 219,139.29, 301,737.69 and 186,801.39 is: 257,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,139.29 : 301,737.69 = 186,801.39 : x
  2. Step 2: Convert to fraction form
    219,139.29/301,737.69 = 186,801.39/x
  3. Step 3: Cross multiply
    219,139.29x = 301,737.69 × 186,801.39
  4. Step 4: Simplify right side
    219,139.29x = 56,365,019,907.39
  5. Step 5: Solve for x
    x = 56,365,019,907.39/219,139.29
  6. Step 6: Final answer
    x = 257,210.93

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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.