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Finding the Fourth Proportional to 85,329,365.60, 127,994,048.40 and 85,329,365.60

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Solution

The fourth proportional to 85,329,365.60, 127,994,048.40 and 85,329,365.60 is: 127,994,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329,365.60 : 127,994,048.40 = 85,329,365.60 : x
  2. Step 2: Convert to fraction form
    85,329,365.60/127,994,048.40 = 85,329,365.60/x
  3. Step 3: Cross multiply
    85,329,365.60x = 127,994,048.40 × 85,329,365.60
  4. Step 4: Simplify right side
    85,329,365.60x = 10,921,650,950,547,694
  5. Step 5: Solve for x
    x = 10,921,650,950,547,694/85,329,365.60
  6. Step 6: Final answer
    x = 127,994,048.40

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1.5x scale

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.