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Finding the Fourth Proportional to 163,386.64, 244,905.72 and 93,114.64

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Solution

The fourth proportional to 163,386.64, 244,905.72 and 93,114.64 is: 139,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386.64 : 244,905.72 = 93,114.64 : x
  2. Step 2: Convert to fraction form
    163,386.64/244,905.72 = 93,114.64/x
  3. Step 3: Cross multiply
    163,386.64x = 244,905.72 × 93,114.64
  4. Step 4: Simplify right side
    163,386.64x = 22,804,307,951.74
  5. Step 5: Solve for x
    x = 22,804,307,951.74/163,386.64
  6. Step 6: Final answer
    x = 139,572.66

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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.