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Finding the Fourth Proportional to 145,070.32, 200,145.72 and 94,798.48

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Solution

The fourth proportional to 145,070.32, 200,145.72 and 94,798.48 is: 130,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,070.32 : 200,145.72 = 94,798.48 : x
  2. Step 2: Convert to fraction form
    145,070.32/200,145.72 = 94,798.48/x
  3. Step 3: Cross multiply
    145,070.32x = 200,145.72 × 94,798.48
  4. Step 4: Simplify right side
    145,070.32x = 18,973,510,034.51
  5. Step 5: Solve for x
    x = 18,973,510,034.51/145,070.32
  6. Step 6: Final answer
    x = 130,788.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.