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Finding the Fourth Proportional to 366,017.48, 549,010.05 and 99,778.01

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Solution

The fourth proportional to 366,017.48, 549,010.05 and 99,778.01 is: 149,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,017.48 : 549,010.05 = 99,778.01 : x
  2. Step 2: Convert to fraction form
    366,017.48/549,010.05 = 99,778.01/x
  3. Step 3: Cross multiply
    366,017.48x = 549,010.05 × 99,778.01
  4. Step 4: Simplify right side
    366,017.48x = 54,779,127,513.95
  5. Step 5: Solve for x
    x = 54,779,127,513.95/366,017.48
  6. Step 6: Final answer
    x = 149,662.60

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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.