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Finding the Fourth Proportional to 114,752.30, 172,128.59 and 35,866.94

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Solution

The fourth proportional to 114,752.30, 172,128.59 and 35,866.94 is: 53,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,752.30 : 172,128.59 = 35,866.94 : x
  2. Step 2: Convert to fraction form
    114,752.30/172,128.59 = 35,866.94/x
  3. Step 3: Cross multiply
    114,752.30x = 172,128.59 × 35,866.94
  4. Step 4: Simplify right side
    114,752.30x = 6,173,725,809.81
  5. Step 5: Solve for x
    x = 6,173,725,809.81/114,752.30
  6. Step 6: Final answer
    x = 53,800.45

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1.5x scale

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.