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Finding the Fourth Proportional to 118,088.35, 176,973.93 and 64,700.03

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Solution

The fourth proportional to 118,088.35, 176,973.93 and 64,700.03 is: 96,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088.35 : 176,973.93 = 64,700.03 : x
  2. Step 2: Convert to fraction form
    118,088.35/176,973.93 = 64,700.03/x
  3. Step 3: Cross multiply
    118,088.35x = 176,973.93 × 64,700.03
  4. Step 4: Simplify right side
    118,088.35x = 11,450,219,022.65
  5. Step 5: Solve for x
    x = 11,450,219,022.65/118,088.35
  6. Step 6: Final answer
    x = 96,963.16

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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.