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Finding the Fourth Proportional to 476,065.02, 714,094.45 and 121,075.97

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Solution

The fourth proportional to 476,065.02, 714,094.45 and 121,075.97 is: 181,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,065.02 : 714,094.45 = 121,075.97 : x
  2. Step 2: Convert to fraction form
    476,065.02/714,094.45 = 121,075.97/x
  3. Step 3: Cross multiply
    476,065.02x = 714,094.45 × 121,075.97
  4. Step 4: Simplify right side
    476,065.02x = 86,459,678,205.37
  5. Step 5: Solve for x
    x = 86,459,678,205.37/476,065.02
  6. Step 6: Final answer
    x = 181,613.17

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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.