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Finding the Fourth Proportional to 157,400.64, 236,106.72 and 63,904.32

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Solution

The fourth proportional to 157,400.64, 236,106.72 and 63,904.32 is: 95,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400.64 : 236,106.72 = 63,904.32 : x
  2. Step 2: Convert to fraction form
    157,400.64/236,106.72 = 63,904.32/x
  3. Step 3: Cross multiply
    157,400.64x = 236,106.72 × 63,904.32
  4. Step 4: Simplify right side
    157,400.64x = 15,088,239,389.03
  5. Step 5: Solve for x
    x = 15,088,239,389.03/157,400.64
  6. Step 6: Final answer
    x = 95,858.82

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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.