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Finding the Fourth Proportional to 140,551.60, 210,827.40 and 93,312.40

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Solution

The fourth proportional to 140,551.60, 210,827.40 and 93,312.40 is: 139,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,551.60 : 210,827.40 = 93,312.40 : x
  2. Step 2: Convert to fraction form
    140,551.60/210,827.40 = 93,312.40/x
  3. Step 3: Cross multiply
    140,551.60x = 210,827.40 × 93,312.40
  4. Step 4: Simplify right side
    140,551.60x = 19,672,810,679.76
  5. Step 5: Solve for x
    x = 19,672,810,679.76/140,551.60
  6. Step 6: Final answer
    x = 139,968.60

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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.