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Finding the Fourth Proportional to 72,296,707.60, 108,445,061.40 and 24,426,960.40

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Solution

The fourth proportional to 72,296,707.60, 108,445,061.40 and 24,426,960.40 is: 36,640,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296,707.60 : 108,445,061.40 = 24,426,960.40 : x
  2. Step 2: Convert to fraction form
    72,296,707.60/108,445,061.40 = 24,426,960.40/x
  3. Step 3: Cross multiply
    72,296,707.60x = 108,445,061.40 × 24,426,960.40
  4. Step 4: Simplify right side
    72,296,707.60x = 2,648,983,220,393,368.50
  5. Step 5: Solve for x
    x = 2,648,983,220,393,368.50/72,296,707.60
  6. Step 6: Final answer
    x = 36,640,440.60

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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.