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Finding the Fourth Proportional to 366,070.60, 549,105.90 and 129,411.40

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Solution

The fourth proportional to 366,070.60, 549,105.90 and 129,411.40 is: 194,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,070.60 : 549,105.90 = 129,411.40 : x
  2. Step 2: Convert to fraction form
    366,070.60/549,105.90 = 129,411.40/x
  3. Step 3: Cross multiply
    366,070.60x = 549,105.90 × 129,411.40
  4. Step 4: Simplify right side
    366,070.60x = 71,060,563,267.26
  5. Step 5: Solve for x
    x = 71,060,563,267.26/366,070.60
  6. Step 6: Final answer
    x = 194,117.10

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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.