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Finding the Fourth Proportional to 140,454, 210,710.16 and 44,384.76

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Solution

The fourth proportional to 140,454, 210,710.16 and 44,384.76 is: 66,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454 : 210,710.16 = 44,384.76 : x
  2. Step 2: Convert to fraction form
    140,454/210,710.16 = 44,384.76/x
  3. Step 3: Cross multiply
    140,454x = 210,710.16 × 44,384.76
  4. Step 4: Simplify right side
    140,454x = 9,352,319,881.16
  5. Step 5: Solve for x
    x = 9,352,319,881.16/140,454
  6. Step 6: Final answer
    x = 66,586.35

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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.