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Finding the Fourth Proportional to 176,095.40, 264,133.37 and 128,759.00

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Solution

The fourth proportional to 176,095.40, 264,133.37 and 128,759.00 is: 193,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,095.40 : 264,133.37 = 128,759.00 : x
  2. Step 2: Convert to fraction form
    176,095.40/264,133.37 = 128,759.00/x
  3. Step 3: Cross multiply
    176,095.40x = 264,133.37 × 128,759.00
  4. Step 4: Simplify right side
    176,095.40x = 34,009,547,267.16
  5. Step 5: Solve for x
    x = 34,009,547,267.16/176,095.40
  6. Step 6: Final answer
    x = 193,131.38

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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.