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Finding the Fourth Proportional to 177,647.59, 245,154.31 and 97,075.12

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Solution

The fourth proportional to 177,647.59, 245,154.31 and 97,075.12 is: 133,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,647.59 : 245,154.31 = 97,075.12 : x
  2. Step 2: Convert to fraction form
    177,647.59/245,154.31 = 97,075.12/x
  3. Step 3: Cross multiply
    177,647.59x = 245,154.31 × 97,075.12
  4. Step 4: Simplify right side
    177,647.59x = 23,798,384,061.77
  5. Step 5: Solve for x
    x = 23,798,384,061.77/177,647.59
  6. Step 6: Final answer
    x = 133,964.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.