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Finding the Fourth Proportional to 70,963,430.40, 106,445,145.60 and 70,963,430.40

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Solution

The fourth proportional to 70,963,430.40, 106,445,145.60 and 70,963,430.40 is: 106,445,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963,430.40 : 106,445,145.60 = 70,963,430.40 : x
  2. Step 2: Convert to fraction form
    70,963,430.40/106,445,145.60 = 70,963,430.40/x
  3. Step 3: Cross multiply
    70,963,430.40x = 106,445,145.60 × 70,963,430.40
  4. Step 4: Simplify right side
    70,963,430.40x = 7,553,712,681,203,466
  5. Step 5: Solve for x
    x = 7,553,712,681,203,466/70,963,430.40
  6. Step 6: Final answer
    x = 106,445,145.60

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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.