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Finding the Fourth Proportional to 364,374.23, 546,541.65 and 111,655.45

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Solution

The fourth proportional to 364,374.23, 546,541.65 and 111,655.45 is: 167,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,374.23 : 546,541.65 = 111,655.45 : x
  2. Step 2: Convert to fraction form
    364,374.23/546,541.65 = 111,655.45/x
  3. Step 3: Cross multiply
    364,374.23x = 546,541.65 × 111,655.45
  4. Step 4: Simplify right side
    364,374.23x = 61,024,355,268.40
  5. Step 5: Solve for x
    x = 61,024,355,268.40/364,374.23
  6. Step 6: Final answer
    x = 167,477.14

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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.