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Finding the Fourth Proportional to 306,573.08, 459,928.80 and 93,360.06

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Solution

The fourth proportional to 306,573.08, 459,928.80 and 93,360.06 is: 140,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,573.08 : 459,928.80 = 93,360.06 : x
  2. Step 2: Convert to fraction form
    306,573.08/459,928.80 = 93,360.06/x
  3. Step 3: Cross multiply
    306,573.08x = 459,928.80 × 93,360.06
  4. Step 4: Simplify right side
    306,573.08x = 42,938,980,363.73
  5. Step 5: Solve for x
    x = 42,938,980,363.73/306,573.08
  6. Step 6: Final answer
    x = 140,061.16

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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.