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Finding the Fourth Proportional to 65,228,308.80, 97,590,520.80 and 42,553,492.80

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Solution

The fourth proportional to 65,228,308.80, 97,590,520.80 and 42,553,492.80 is: 63,665,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228,308.80 : 97,590,520.80 = 42,553,492.80 : x
  2. Step 2: Convert to fraction form
    65,228,308.80/97,590,520.80 = 42,553,492.80/x
  3. Step 3: Cross multiply
    65,228,308.80x = 97,590,520.80 × 42,553,492.80
  4. Step 4: Simplify right side
    65,228,308.80x = 4,152,817,524,211,050
  5. Step 5: Solve for x
    x = 4,152,817,524,211,050/65,228,308.80
  6. Step 6: Final answer
    x = 63,665,877.60

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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.