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Finding the Fourth Proportional to 105,658.88, 158,332.80 and 46,440.32

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Solution

The fourth proportional to 105,658.88, 158,332.80 and 46,440.32 is: 69,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,658.88 : 158,332.80 = 46,440.32 : x
  2. Step 2: Convert to fraction form
    105,658.88/158,332.80 = 46,440.32/x
  3. Step 3: Cross multiply
    105,658.88x = 158,332.80 × 46,440.32
  4. Step 4: Simplify right side
    105,658.88x = 7,353,025,898.50
  5. Step 5: Solve for x
    x = 7,353,025,898.50/105,658.88
  6. Step 6: Final answer
    x = 69,592.12

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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.