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Finding the Fourth Proportional to 155,557.65, 233,384.91 and 55,718.71

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Solution

The fourth proportional to 155,557.65, 233,384.91 and 55,718.71 is: 83,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,557.65 : 233,384.91 = 55,718.71 : x
  2. Step 2: Convert to fraction form
    155,557.65/233,384.91 = 55,718.71/x
  3. Step 3: Cross multiply
    155,557.65x = 233,384.91 × 55,718.71
  4. Step 4: Simplify right side
    155,557.65x = 13,003,904,951.74
  5. Step 5: Solve for x
    x = 13,003,904,951.74/155,557.65
  6. Step 6: Final answer
    x = 83,595.41

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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.