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Finding the Fourth Proportional to 223,070.58, 307,894.23 and 127,607.22

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Solution

The fourth proportional to 223,070.58, 307,894.23 and 127,607.22 is: 176,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,070.58 : 307,894.23 = 127,607.22 : x
  2. Step 2: Convert to fraction form
    223,070.58/307,894.23 = 127,607.22/x
  3. Step 3: Cross multiply
    223,070.58x = 307,894.23 × 127,607.22
  4. Step 4: Simplify right side
    223,070.58x = 39,289,526,744.34
  5. Step 5: Solve for x
    x = 39,289,526,744.34/223,070.58
  6. Step 6: Final answer
    x = 176,130.47

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1.5x scale

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.