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Finding the Fourth Proportional to 70,306.71, 105,292.34 and 44,926.45

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Solution

The fourth proportional to 70,306.71, 105,292.34 and 44,926.45 is: 67,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.71 : 105,292.34 = 44,926.45 : x
  2. Step 2: Convert to fraction form
    70,306.71/105,292.34 = 44,926.45/x
  3. Step 3: Cross multiply
    70,306.71x = 105,292.34 × 44,926.45
  4. Step 4: Simplify right side
    70,306.71x = 4,730,411,048.39
  5. Step 5: Solve for x
    x = 4,730,411,048.39/70,306.71
  6. Step 6: Final answer
    x = 67,282.50

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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.