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Finding the Fourth Proportional to 186,223,386.30, 279,335,079.45 and 186,223,386.30

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Solution

The fourth proportional to 186,223,386.30, 279,335,079.45 and 186,223,386.30 is: 279,335,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,223,386.30 : 279,335,079.45 = 186,223,386.30 : x
  2. Step 2: Convert to fraction form
    186,223,386.30/279,335,079.45 = 186,223,386.30/x
  3. Step 3: Cross multiply
    186,223,386.30x = 279,335,079.45 × 186,223,386.30
  4. Step 4: Simplify right side
    186,223,386.30x = 52,018,724,407,558,544
  5. Step 5: Solve for x
    x = 52,018,724,407,558,544/186,223,386.30
  6. Step 6: Final answer
    x = 279,335,079.45

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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.