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Finding the Fourth Proportional to 240,603,402.40, 360,905,103.60 and 87,254,461.60

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Solution

The fourth proportional to 240,603,402.40, 360,905,103.60 and 87,254,461.60 is: 130,881,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603,402.40 : 360,905,103.60 = 87,254,461.60 : x
  2. Step 2: Convert to fraction form
    240,603,402.40/360,905,103.60 = 87,254,461.60/x
  3. Step 3: Cross multiply
    240,603,402.40x = 360,905,103.60 × 87,254,461.60
  4. Step 4: Simplify right side
    240,603,402.40x = 31,490,580,503,310,220
  5. Step 5: Solve for x
    x = 31,490,580,503,310,220/240,603,402.40
  6. Step 6: Final answer
    x = 130,881,692.40

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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.