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Finding the Fourth Proportional to 364,098.60, 546,050.70 and 111,378.60

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Solution

The fourth proportional to 364,098.60, 546,050.70 and 111,378.60 is: 167,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,098.60 : 546,050.70 = 111,378.60 : x
  2. Step 2: Convert to fraction form
    364,098.60/546,050.70 = 111,378.60/x
  3. Step 3: Cross multiply
    364,098.60x = 546,050.70 × 111,378.60
  4. Step 4: Simplify right side
    364,098.60x = 60,818,362,495.02
  5. Step 5: Solve for x
    x = 60,818,362,495.02/364,098.60
  6. Step 6: Final answer
    x = 167,038.17

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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.