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Finding the Fourth Proportional to 73,671,587.40, 110,294,804.70 and 65,168,531.40

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Solution

The fourth proportional to 73,671,587.40, 110,294,804.70 and 65,168,531.40 is: 97,564,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671,587.40 : 110,294,804.70 = 65,168,531.40 : x
  2. Step 2: Convert to fraction form
    73,671,587.40/110,294,804.70 = 65,168,531.40/x
  3. Step 3: Cross multiply
    73,671,587.40x = 110,294,804.70 × 65,168,531.40
  4. Step 4: Simplify right side
    73,671,587.40x = 7,187,750,443,348,818
  5. Step 5: Solve for x
    x = 7,187,750,443,348,818/73,671,587.40
  6. Step 6: Final answer
    x = 97,564,755.93

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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.