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Finding the Fourth Proportional to 188,999.55, 249,666.03 and 188,999.55

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Solution

The fourth proportional to 188,999.55, 249,666.03 and 188,999.55 is: 249,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,999.55 : 249,666.03 = 188,999.55 : x
  2. Step 2: Convert to fraction form
    188,999.55/249,666.03 = 188,999.55/x
  3. Step 3: Cross multiply
    188,999.55x = 249,666.03 × 188,999.55
  4. Step 4: Simplify right side
    188,999.55x = 47,186,767,320.29
  5. Step 5: Solve for x
    x = 47,186,767,320.29/188,999.55
  6. Step 6: Final answer
    x = 249,666.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.