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Finding the Fourth Proportional to 124,283.30, 186,077.52 and 67,152.51

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Solution

The fourth proportional to 124,283.30, 186,077.52 and 67,152.51 is: 100,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,283.30 : 186,077.52 = 67,152.51 : x
  2. Step 2: Convert to fraction form
    124,283.30/186,077.52 = 67,152.51/x
  3. Step 3: Cross multiply
    124,283.30x = 186,077.52 × 67,152.51
  4. Step 4: Simplify right side
    124,283.30x = 12,495,572,522.58
  5. Step 5: Solve for x
    x = 12,495,572,522.58/124,283.30
  6. Step 6: Final answer
    x = 100,541.05

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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.