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Finding the Fourth Proportional to 113,573.94, 156,731.71 and 62,586.65

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Solution

The fourth proportional to 113,573.94, 156,731.71 and 62,586.65 is: 86,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,573.94 : 156,731.71 = 62,586.65 : x
  2. Step 2: Convert to fraction form
    113,573.94/156,731.71 = 62,586.65/x
  3. Step 3: Cross multiply
    113,573.94x = 156,731.71 × 62,586.65
  4. Step 4: Simplify right side
    113,573.94x = 9,809,312,677.67
  5. Step 5: Solve for x
    x = 9,809,312,677.67/113,573.94
  6. Step 6: Final answer
    x = 86,369.40

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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.