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Finding the Fourth Proportional to 243,386.70, 364,970.70 and 93,577.20

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Solution

The fourth proportional to 243,386.70, 364,970.70 and 93,577.20 is: 140,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,386.70 : 364,970.70 = 93,577.20 : x
  2. Step 2: Convert to fraction form
    243,386.70/364,970.70 = 93,577.20/x
  3. Step 3: Cross multiply
    243,386.70x = 364,970.70 × 93,577.20
  4. Step 4: Simplify right side
    243,386.70x = 34,152,936,188.04
  5. Step 5: Solve for x
    x = 34,152,936,188.04/243,386.70
  6. Step 6: Final answer
    x = 140,323.76

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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.