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Finding the Fourth Proportional to 71,852,574.80, 100,848,696.40 and 71,852,574.80

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Solution

The fourth proportional to 71,852,574.80, 100,848,696.40 and 71,852,574.80 is: 100,848,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,574.80 : 100,848,696.40 = 71,852,574.80 : x
  2. Step 2: Convert to fraction form
    71,852,574.80/100,848,696.40 = 71,852,574.80/x
  3. Step 3: Cross multiply
    71,852,574.80x = 100,848,696.40 × 71,852,574.80
  4. Step 4: Simplify right side
    71,852,574.80x = 7,246,238,501,563,491
  5. Step 5: Solve for x
    x = 7,246,238,501,563,491/71,852,574.80
  6. Step 6: Final answer
    x = 100,848,696.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.