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Finding the Fourth Proportional to 255,569.99, 352,689.05 and 140,852.82

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Solution

The fourth proportional to 255,569.99, 352,689.05 and 140,852.82 is: 194,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,569.99 : 352,689.05 = 140,852.82 : x
  2. Step 2: Convert to fraction form
    255,569.99/352,689.05 = 140,852.82/x
  3. Step 3: Cross multiply
    255,569.99x = 352,689.05 × 140,852.82
  4. Step 4: Simplify right side
    255,569.99x = 49,677,248,950.34
  5. Step 5: Solve for x
    x = 49,677,248,950.34/255,569.99
  6. Step 6: Final answer
    x = 194,378.26

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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.