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Finding the Fourth Proportional to 70,063,497.90, 105,095,246.85 and 70,063,497.90

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Solution

The fourth proportional to 70,063,497.90, 105,095,246.85 and 70,063,497.90 is: 105,095,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063,497.90 : 105,095,246.85 = 70,063,497.90 : x
  2. Step 2: Convert to fraction form
    70,063,497.90/105,095,246.85 = 70,063,497.90/x
  3. Step 3: Cross multiply
    70,063,497.90x = 105,095,246.85 × 70,063,497.90
  4. Step 4: Simplify right side
    70,063,497.90x = 7,363,340,606,974,957
  5. Step 5: Solve for x
    x = 7,363,340,606,974,957/70,063,497.90
  6. Step 6: Final answer
    x = 105,095,246.85

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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.